| Patent | Date |
|---|
Percutaneous Catheter
App 20220296799 - Yokoyama; Kenji | 2022-09-22 |
Information Processing Apparatus And Information Processing Method
App 20220179525 - NAITO; MASAHIKO ; et al. | 2022-06-09 |
Catheter for extracorporeal blood circulator
Grant 11,318,281 - Yokoyama May 3, 2 | 2022-05-03 |
Percutaneous catheter and percutaneous catheter assembly
Grant 11,260,159 - Yokoyama March 1, 2 | 2022-03-01 |
Information Processing Apparatus And Method For Controlling Information Processing Apparatus
App 20210306318 - YOKOYAMA; Kenji | 2021-09-30 |
Catheter Assembly
App 20210290904 - Yokoyama; Kenji ; et al. | 2021-09-23 |
Imaging control apparatus with improved operability in performing continuous image capturing by using a shutter button and a touch bar, control method therefor, and recording
Grant 10,924,671 - Yanai , et al. February 16, 2 | 2021-02-16 |
Percutaneous catheter and method of using percutaneous catheter
Grant 10,894,143 - Yokoyama January 19, 2 | 2021-01-19 |
Imaging apparatus
Grant 10,764,502 - Yoshida , et al. Sep | 2020-09-01 |
Game control device, game system, and information storage medium
Grant 10,695,661 - Otani , et al. | 2020-06-30 |
Catheter For Extracorporeal Blood Circulator
App 20200069909 - Yokoyama; Kenji | 2020-03-05 |
Catheter For Feeding Blood To A Vessel
App 20190321539 - Yokoyama; Kenji | 2019-10-24 |
Syringe assembly
Grant 10,449,295 - Yokoyama , et al. Oc | 2019-10-22 |
Imaging Control Apparatus And Control Method Therefor
App 20190141244 - Yanai; Shotaro ; et al. | 2019-05-09 |
Imaging Apparatus
App 20190141258 - Yoshida; Koji ; et al. | 2019-05-09 |
Percutaneous Catheter And Percutaneous Catheter Assembly
App 20190083695 - Yokoyama; Kenji | 2019-03-21 |
Percutaneous Catheter And Method Of Manufacturing Tube For Percutaneous Catheter
App 20190030280 - Yokoyama; Kenji | 2019-01-31 |
Percutaneous Catheter And Method Of Using Percutaneous Catheter
App 20180318547 - YOKOYAMA; Kenji | 2018-11-08 |
Decoloring apparatus and method for operating the same
Grant 9,969,200 - Yokoyama May 15, 2 | 2018-05-15 |
Decoloring apparatus and method for operating the same
Grant 9,844,964 - Yokoyama December 19, 2 | 2017-12-19 |
Game Control Device, Game System, And Information Storage Medium
App 20160367892 - OTANI; Tokifune ; et al. | 2016-12-22 |
Decoloring Apparatus And Method For Operating The Same
App 20160318329 - YOKOYAMA; Kenji | 2016-11-03 |
Semiconductor device
Grant 9,443,793 - Yamashita , et al. September 13, 2 | 2016-09-13 |
Decoloring Apparatus And Method For Operating The Same
App 20160229212 - YOKOYAMA; Kenji | 2016-08-11 |
Syringe Assembly
App 20160113639 - YOKOYAMA; Kenji ; et al. | 2016-04-28 |
Semiconductor Device
App 20150371971 - YOKOYAMA; KENJI ; et al. | 2015-12-24 |
Sprayer
Grant 9,149,587 - Kai , et al. October 6, 2 | 2015-10-06 |
Protein Having Flavin Adenine Dinucleotide-dependent Glucose Dehydrogenase Activity
App 20150267178 - Ozawa; Kazumichi ; et al. | 2015-09-24 |
Semiconductor device
Grant 9,105,463 - Yokoyama , et al. August 11, 2 | 2015-08-11 |
Semiconductor device having chip-on-chip structure
Grant 9,093,338 - Yokoyama , et al. July 28, 2 | 2015-07-28 |
Column Packing Material, Column Using The Same, And Method Of Separation Using The Same
App 20150148226 - Ito; Narushi ; et al. | 2015-05-28 |
Connector, syringe assembly, and connector for mixing
Grant 8,986,277 - Yokoyama March 24, 2 | 2015-03-24 |
Column packing material, column using the same, and method of separation using the same
Grant 8,968,567 - Ito , et al. March 3, 2 | 2015-03-03 |
Biosensor
App 20150027886 - Takagi; Jun ; et al. | 2015-01-29 |
Applicator
App 20150005698 - YOKOYAMA; Kenji | 2015-01-01 |
Method For Manufacturing Biosensor
App 20140373347 - Takagi; Jun ; et al. | 2014-12-25 |
Semiconductor device
Grant 8,890,335 - Yokoyama , et al. November 18, 2 | 2014-11-18 |
Substance Determination Method
App 20140246336 - OOE; Hideaki ; et al. | 2014-09-04 |
Method Of Determining Hematocrit Value, Quantative Analysis Method, And Sensor Chip
App 20140246335 - OOE; Hideaki ; et al. | 2014-09-04 |
Semiconductor integrated circuit device and method for designing the same
Grant 8,759,941 - Yokoyama June 24, 2 | 2014-06-24 |
Device for electrophoresis, device for transfer, device for electrophoresis and transfer, chip for electrophoresis and transfer, and method for electrophoresis, method for transfer, and method for electrophoresis and transfer
Grant 8,702,950 - Maruo , et al. April 22, 2 | 2014-04-22 |
Semiconductor Device
App 20140103536 - Yokoyama; Kenji ; et al. | 2014-04-17 |
Semiconductor Device
App 20140103544 - YOKOYAMA; KENJI ; et al. | 2014-04-17 |
Semiconductor Device
App 20140103504 - YAMASHITA; HIROKI ; et al. | 2014-04-17 |
Semiconductor Device
App 20140103502 - Yokoyama; Kenji ; et al. | 2014-04-17 |
Method of purifying 8-isoprostane
Grant 8,692,047 - Koide , et al. April 8, 2 | 2014-04-08 |
Method of quantitatively determining 8-isoprostane
Grant 8,652,850 - Koide , et al. February 18, 2 | 2014-02-18 |
Sprayer
App 20130331658 - KAI; Miho ; et al. | 2013-12-12 |
Connector, Syringe Assembly, And Connector For Mixing
App 20130296822 - Yokoyama; Kenji | 2013-11-07 |
Communication system, communication apparatus, communication method, and program
Grant 8,520,234 - Otani , et al. August 27, 2 | 2013-08-27 |
Connector, syringe assembly, and connector for mixing
Grant 8,512,308 - Yokoyama August 20, 2 | 2013-08-20 |
Electrophoresis apparatus and electrophoresis method
Grant 8,500,981 - Sakairi , et al. August 6, 2 | 2013-08-06 |
Semiconductor chip having staggered arrangement of bonding pads
Grant 8,456,025 - Yokoyama June 4, 2 | 2013-06-04 |
Sample separation/adsorption appliance
Grant 8,449,748 - Midorikawa , et al. May 28, 2 | 2013-05-28 |
Semiconductor Integrated Circuit Device And Method For Designing The Same
App 20130105935 - YOKOYAMA; Kenji | 2013-05-02 |
Biological molecule separation apparatus
Grant 8,419,916 - Sakairi , et al. April 16, 2 | 2013-04-16 |
Alloy to be surface-coated and sliding members
Grant 8,409,712 - Yokoyama , et al. April 2, 2 | 2013-04-02 |
Device For Electrophoresis, Device For Transfer, Device For Electrophoresis And Transfer, Chip For Electrophoresis And Transfer, And Method For Electrophoresis, Method For Transfer, And Method For Electrophoresis And Transfer
App 20130015069 - MARUO; Yuji ; et al. | 2013-01-17 |
Information Processing Apparatus, Information Processing Method, And Program
App 20120306879 - YOKOYAMA; Kenji | 2012-12-06 |
Magnetic head including a pole layer and an antireflection film sandwiched by two shields
Grant 8,325,440 - Harada , et al. December 4, 2 | 2012-12-04 |
Method and reagent for protein analysis
Grant 8,263,791 - Suzuki , et al. September 11, 2 | 2012-09-11 |
Method Of Purifying 8-isoprostane
App 20120220050 - Koide; Satoshi ; et al. | 2012-08-30 |
Method Of Quantitatively Determining 8-isoprostane
App 20120220040 - KOIDE; Satoshi ; et al. | 2012-08-30 |
Semiconductor Device
App 20120199969 - Yokoyama; Kenji | 2012-08-09 |
Nonmagnetic Stainless Steel, Member For Radio-controlled Timepiece, Production Process Of Nonmagnetic Stainless Steel And Radio Wave Receiver
App 20120190321 - Sato; Junichi ; et al. | 2012-07-26 |
Mixing Apparatus And Piercing Method For A Double-ended Needle
App 20120172830 - Yokoyama; Kenji ; et al. | 2012-07-05 |
Coated-surface Sliding Part Having Excellent Coating Adhesion And Method For Producing The Same
App 20120114964 - Honda; Fumiaki ; et al. | 2012-05-10 |
Semiconductor Integrated Circuit Device And Method For Designing The Same
App 20110309515 - YOKOYAMA; KENJI | 2011-12-22 |
Shaping method of thin film and manufacturing method of perpendicular recording magnetic head using the same
Grant 8,080,167 - Watanabe , et al. December 20, 2 | 2011-12-20 |
Method for analyzing protein
Grant 8,062,492 - Suzuki , et al. November 22, 2 | 2011-11-22 |
Biological Molecule Separation Apparatus
App 20110233062 - Sakairi; Koji ; et al. | 2011-09-29 |
Connector, Syringe Assembly, And Connector For Mixing
App 20110218511 - YOKOYAMA; Kenji | 2011-09-08 |
Methods for producing microchannel chips, microchannel chips, methods for separating biomolecules using the microchannel chips, and electrophoretic apparatus having the microchannel chips
Grant 8,012,430 - Yokoyama , et al. September 6, 2 | 2011-09-06 |
Magnetic head for perpendicular magnetic recording and method of manufacturing same, the magnetic head incuding pole layer and two shields sandwiching the pole layer
Grant 7,995,308 - Otani , et al. August 9, 2 | 2011-08-09 |
Information processing apparatus and method, and program
Grant 7,978,957 - Sano , et al. July 12, 2 | 2011-07-12 |
Automated two-dimensional electrophoresis apparatus and instrument constituting the apparatus
Grant 7,964,077 - Maruo , et al. June 21, 2 | 2011-06-21 |
Electrophoresis Apparatus And Electrophoresis Method
App 20110114485 - Sakairi; Koji ; et al. | 2011-05-19 |
Sample Separation/adsorption Appliance
App 20110094887 - Midorikawa; Uichi ; et al. | 2011-04-28 |
Speaker
Grant 7,925,040 - Kitazawa , et al. April 12, 2 | 2011-04-12 |
Applicator
Grant 7,914,484 - Yokoyama March 29, 2 | 2011-03-29 |
Speaker
Grant 7,864,976 - Kitazawa , et al. January 4, 2 | 2011-01-04 |
Sprayer
Grant 7,846,125 - Yatabe , et al. December 7, 2 | 2010-12-07 |
Thin film magnetic head, head gimbal assembly, head arm assembly and magnetic disk device
Grant 7,843,667 - Hirata , et al. November 30, 2 | 2010-11-30 |
Alloy To Be Surface-coated And Sliding Members
App 20100291407 - Yokoyama; Kenji ; et al. | 2010-11-18 |
Thin-film magnetic head including two magnetic layers and flat spiral coil, and method of manufacturing same
Grant 7,826,175 - Yokoyama , et al. November 2, 2 | 2010-11-02 |
Speaker
Grant 7,792,318 - Ushikoshi , et al. September 7, 2 | 2010-09-07 |
Shaping Method Of Thin Film And Manufacturing Method Of Perpendicular Recording Magnetic Head Using The Same
App 20100213163 - Watanabe; Hisayoshi ; et al. | 2010-08-26 |
Semiconductor Integrated Circuit Device And Method For Designing The Same
App 20100148218 - YOKOYAMA; Kenji | 2010-06-17 |
Methods for producing microchannel chips, microchannel chips, methods for separating biomolecules using the microchannel chips, and electrophoretic apparatus having the microchannel chips
App 20100101953 - Yokoyama; Kenji ; et al. | 2010-04-29 |
Method And Reagent For Protein Analysis
App 20100000865 - SUZUKI; Yoshio ; et al. | 2010-01-07 |
Electrophoresis Cassette and Method for Producing the Same
App 20090314643 - Sakairi; Koji ; et al. | 2009-12-24 |
5-amidino-2-hydroxybenzenesulfonamide derivatives, pharmaceutical compositions containing the same and intermediates for their preparation
Grant 7,589,126 - Okazaki , et al. September 15, 2 | 2009-09-15 |
Method Of Separating Protein, Method Of Staining Protein And Liquid Protein-staining Agent And Protein-staining Kit To Be Used In These Methods
App 20090223823 - Namatame; Ichiji ; et al. | 2009-09-10 |
Column Packing Material, Column Using The Same, And Method Of Separation Using The Same
App 20090209753 - Ito; Narushi ; et al. | 2009-08-20 |
Method Of Designing Semiconductor Integrated Circuit Device, Designing Apparatus, And Semiconductor Integrated Circuit Device
App 20090193374 - FUJIMOTO; Kazuhiko ; et al. | 2009-07-30 |
Multilayer Body For Electrophoresis And Transfer, Chip For Electrophoresis And Transfer, Electrophoresis And Transfer Apparatus, Method Of Electrophoresis And Transfer, And Method Of Manufacturing Multilayer Body For Electrophoresis And Transfer
App 20090084681 - AKUTSU; Satonari ; et al. | 2009-04-02 |
Method For Analyzing Protein
App 20090045060 - Suzuki; Yoshio ; et al. | 2009-02-19 |
Applicator
App 20090005731 - Yokoyama; Kenji | 2009-01-01 |
Device For Electrophoresis, Device For Transfer, Device For Electrophoresis And Transfer, Chip For Electrophoresis And Transfer, And Method For Electrophoresis, Method For Transfer, And Method For Electrophoresis And Transfer
App 20080296158 - Maruo; Yuji ; et al. | 2008-12-04 |
Sprayer
App 20080294099 - Yatabe; Teruyuki ; et al. | 2008-11-27 |
Thin film magnetic head, head gimbal assembly, head arm assembly and magnetic disk device
App 20080291582 - Hirata; Kei ; et al. | 2008-11-27 |
Sprayer
App 20080272209 - Yokoyama; Kenji ; et al. | 2008-11-06 |
Thin-film magnetic head including two magnetic layers and flat spiral coil, and method of manufacturing same
App 20080273273 - Yokoyama; Kenji ; et al. | 2008-11-06 |
Magnetic head for perpendicular magnetic recording and method of manufacturing same, the magnetic head incuding pole layer and two shields sandwiching the pole layer
App 20080247087 - Otani; Koichi ; et al. | 2008-10-09 |
Magnetic head for perpendicular magnetic recording and method of manufacturing same, the magnetic head including pole layer and two shields that sandwich the pole layer
App 20080239580 - Harada; Tatsuya ; et al. | 2008-10-02 |
Operational amplifier
Grant 7,414,474 - Yamada , et al. August 19, 2 | 2008-08-19 |
Urea derivative, medicinal composition containing the same, and medicinal use of these
App 20080161294 - Suzuki; Ritsu ; et al. | 2008-07-03 |
Feedback circuit
Grant 7,279,970 - Yokoyama , et al. October 9, 2 | 2007-10-09 |
Aromatic amide derivatives, medicinal compositions containing the same, medical uses of both
App 20070232594 - Yokoyama; Kenji ; et al. | 2007-10-04 |
Crystals of 5-hydroxycarbamimidoyl-2-hydroxybenzenesulfonamide derivative
Grant 7,256,215 - Mukaiyama , et al. August 14, 2 | 2007-08-14 |
Communication system, communication apparatus, communication method, and program
App 20070124759 - Otani; Yomei ; et al. | 2007-05-31 |
5-amidino-2-hydroxybenzenesulfonamide derivatives, pharmaceutical compositions containing the same and intermediates for their preparation
Grant 7,217,832 - Okazaki , et al. May 15, 2 | 2007-05-15 |
5-amidino-2-hydroxybenzenesulfonamide Derivatives, Pharmaceutical Compositions Containing The Same And Intermediates For Their Preparation
App 20070105829 - OKAZAKI; Kosuke ; et al. | 2007-05-10 |
5-amidino-2-hydroxybenzenesulfonamide derivatives, pharmaceutical compositions containing the same and intermediates for their preparation
Grant 7,208,524 - Okazaki , et al. April 24, 2 | 2007-04-24 |
APPARATUS AND METHOD FOR MEASURING 8-OHdG
App 20070077662 - Inaba; Yohei ; et al. | 2007-04-05 |
Speaker
App 20070071271 - Ushikoshi; Akinori ; et al. | 2007-03-29 |
Speaker
App 20070071273 - Kitazawa; Hideo ; et al. | 2007-03-29 |
Operational amplifier
App 20070069815 - Yamada; Yasuo ; et al. | 2007-03-29 |
Information processing apparatus and method, and program
App 20070061843 - Sano; Ikuya ; et al. | 2007-03-15 |
Protection circuit
App 20070053128 - Mizushima; Takaaki ; et al. | 2007-03-08 |
Automated two-dimensional electrophoresis apparatus and instrument constituting the apparatus
App 20070045118 - Maruo; Yuji ; et al. | 2007-03-01 |
Speaker
App 20060290481 - Kitazawa; Hideo ; et al. | 2006-12-28 |
Speaker
App 20060291673 - Kitazawa; Hideo ; et al. | 2006-12-28 |
Speaker
App 20060285704 - Kitazawa; Hideo ; et al. | 2006-12-21 |
5-Amidino-2-hydroxybenzenesulfonamide derivatives, pharmaceutical compositions containing the same and intermediates for their preparation
App 20060205812 - Okazaki; Kosuke ; et al. | 2006-09-14 |
Method for separating substances
App 20060113189 - Hiratsuka; Atsunori ; et al. | 2006-06-01 |
5-Amidino-2-hydroxybenzenesulfonamide derivatives, pharmaceutical compositions containing the same and intermediates for their preparation
App 20060116361 - Okazaki; Kosuke ; et al. | 2006-06-01 |
5-Amidino-N-(2-aminophenethyl)-2-hydroxybenzenesulfonamide derivative, medicinal composition containing the same, pharmaceutical use thereof, and intermediate therefor
App 20060111446 - Okazaki; Kosuke ; et al. | 2006-05-25 |
5-amidino-n-(2-aminophenethyl)-n-hydroxy-benzenesulffonamide derivative, medical composition containing the same, pharmaceutical use thereof and intermediate therefor
Grant 7,022,689 - Okazaki , et al. April 4, 2 | 2006-04-04 |
Power conversion apparatus and dead time generator
Grant 7,019,986 - Yokoyama , et al. March 28, 2 | 2006-03-28 |
Feedback circuit
App 20060044059 - Yokoyama; Kenji ; et al. | 2006-03-02 |
Switching circuit and digital power amplifier
Grant 6,995,609 - Yokoyama February 7, 2 | 2006-02-07 |
Digital power amplifier
Grant 6,992,527 - Yokoyama January 31, 2 | 2006-01-31 |
Novel crystals of 5-hydroxycarbamimidoyl-2-hydroxybenzenesulfonamide derivative
App 20050143457 - Mukaiyama, Harunobu ; et al. | 2005-06-30 |
Semiconductor device
App 20050139869 - Akiba, Takahisa ; et al. | 2005-06-30 |
Blood reservoir
Grant 6,908,446 - Yokoyama , et al. June 21, 2 | 2005-06-21 |
Power conversion apparatus and dead time generator
App 20050078490 - Yokoyama, Kenji ; et al. | 2005-04-14 |
Suspension
Grant 6,863,290 - Yokoyama March 8, 2 | 2005-03-08 |
5-amidino-2-hydroxybenzenesulfonamide derivatives medicinal compoistions containing the same medicinal use thereof and intermediates in the production thereof
App 20050014787 - Uchida, Masahiko ; et al. | 2005-01-20 |
Suspension
Grant 6,832,773 - Yokoyama December 21, 2 | 2004-12-21 |
5-amidino-n-(2-aminophenethyl)-n-hydroxy-benzenesulffonamide derivative, medical composition containing the same, pharmaceutical use thereof and intermediate therefor
App 20040242455 - Okazaki, Kosuke ; et al. | 2004-12-02 |
Semiconductor devices and methods for manufacturing the same
Grant 6,821,858 - Namatame , et al. November 23, 2 | 2004-11-23 |
Switching circuit and digital power amplifier
App 20040164792 - Yokoyama, Kenji | 2004-08-26 |
Digital power amplifier
Grant 6,744,318 - Yokoyama , et al. June 1, 2 | 2004-06-01 |
Digital power amplifier
App 20040041626 - Yokoyama, Kenji | 2004-03-04 |
Suspension
App 20030234506 - Yokoyama, Kenji | 2003-12-25 |
Suspension
App 20030222387 - Yokoyama, Kenji | 2003-12-04 |
Optical module using wiring lead integrated resin substrate
Grant 6,585,426 - Shuto , et al. July 1, 2 | 2003-07-01 |
Image display control for a plurality of images
App 20030076312 - Yokoyama, Kenji | 2003-04-24 |
Fuse element, semiconductor device and method for manufacturing the same
App 20030062592 - Sato, Hisakatsu ; et al. | 2003-04-03 |
Digital power amplifier
App 20020190792 - Yokoyama, Kenji ; et al. | 2002-12-19 |
Hollow fiber membrane oxygenator
Grant 6,495,101 - Yokoyama , et al. December 17, 2 | 2002-12-17 |
Blood reservoir
App 20020094300 - Yokoyama, Kenji ; et al. | 2002-07-18 |
Mobile system
App 20020025834 - Tanoue, Mutsurou ; et al. | 2002-02-28 |
Semiconductor devices and methods for manufacturing the same
App 20020003290 - Namatame, Tatsuru ; et al. | 2002-01-10 |
Semiconductor devices and methods for manufacturing the same
App 20020003289 - Namatame, Tatsuru ; et al. | 2002-01-10 |
Optical waveguide circuit, its manufacturing method and optical waveguide module having the optical waveguide circuit
Grant 6,304,687 - Inoue , et al. October 16, 2 | 2001-10-16 |
Optical module using wiring lead integrated resin substrate
App 20010010744 - Shuto, Yoshito ; et al. | 2001-08-02 |
Packaging platform, optical module using the platform, and methods for producing the platform and the module
Grant 6,222,967 - Amano , et al. April 24, 2 | 2001-04-24 |
Switching power supply circuit
Grant 5,838,556 - Yokoyama November 17, 1 | 1998-11-17 |
Switching power circuit with current resonance for zero current switching
Grant 5,751,560 - Yokoyama May 12, 1 | 1998-05-12 |
Camera having light-source determining function
Grant 5,621,494 - Kazumi , et al. April 15, 1 | 1997-04-15 |
Magnetic recording medium comprising two magnetic layers of hexagonal ferrite magnetic particles and binder wherein the easy axes of the particle is specified
Grant 5,419,938 - Kagotani , et al. May 30, 1 | 1995-05-30 |
Camera having a zoom flash unit
Grant 5,355,189 - Kobayashi , et al. October 11, 1 | 1994-10-11 |
Method of manufacturing interconnect metallization comprising metal nitride and silicide
Grant 5,312,772 - Yokoyama , et al. May 17, 1 | 1994-05-17 |
Acoustic apparatus and driving apparatus constituting the same
Grant 5,280,543 - Yokoyama , et al. January 18, 1 | 1994-01-18 |
Switching regulated DC-DC converter using variable capacity diodes in the feedback circuit
Grant 5,140,513 - Yokoyama August 18, 1 | 1992-08-18 |
Magnetic recording medium
Grant 5,080,971 - Yokoyama , et al. * January 14, 1 | 1992-01-14 |
Magnetic recording medium
Grant 5,069,967 - Yokoyama , et al. December 3, 1 | 1991-12-03 |
Dynamic loudspeaker driving apparatus
Grant 5,031,221 - Yokoyama July 9, 1 | 1991-07-09 |
Analog type magnetic recording and reproducing device with digital input/output coupling
Grant 5,027,228 - Yokoyama June 25, 1 | 1991-06-25 |
Acoustic apparatus
Grant 5,009,281 - Yokoyama April 23, 1 | 1991-04-23 |
Composition for vibration damper, process for manufacture thereof, and vibration damper
Grant 5,004,764 - Yamamoto , et al. April 2, 1 | 1991-04-02 |
Ohmic contact to silicon substrate
Grant 4,998,157 - Yokoyama , et al. March 5, 1 | 1991-03-05 |
Acoustic apparatus
Grant 4,987,564 - Yokoyama January 22, 1 | 1991-01-22 |
Magnetic recording medium
Grant 4,889,767 - Yokoyama , et al. * December 26, 1 | 1989-12-26 |
Magnetic recording medium
Grant 4,880,687 - Yokoyama , et al. * November 14, 1 | 1989-11-14 |
Magnetic recording medium
Grant 4,816,334 - Yokoyama , et al. March 28, 1 | 1989-03-28 |
Sample hold circuit
Grant 4,801,823 - Yokoyama January 31, 1 | 1989-01-31 |
Gain-controlled amplifier
Grant 4,724,398 - Yokoyama February 9, 1 | 1988-02-09 |
Device for forming a simulated stereophonic sound field
Grant 4,653,096 - Yokoyama March 24, 1 | 1987-03-24 |
Power amplifier
Grant 4,560,946 - Yokoyama December 24, 1 | 1985-12-24 |
Pulse-width modulation circuit with carrier signal frequency control
Grant 4,524,335 - Yokoyama June 18, 1 | 1985-06-18 |
Gain-controlled amplifier
Grant 4,451,798 - Yokoyama May 29, 1 | 1984-05-29 |
Amplifier circuit
Grant 4,446,442 - Yokoyama May 1, 1 | 1984-05-01 |
Power supply changeover type power amplifier
Grant 4,433,307 - Yokoyama February 21, 1 | 1984-02-21 |
Power amplifier
Grant 4,430,625 - Yokoyama February 7, 1 | 1984-02-07 |
Gain control circuit for pulse width modulation amplifier
Grant 4,371,840 - Yokoyama February 1, 1 | 1983-02-01 |
Multi-channel audio power amplifier
Grant 4,346,349 - Yokoyama August 24, 1 | 1982-08-24 |
Amplifier with power supply switching
Grant 4,339,730 - Yokoyama July 13, 1 | 1982-07-13 |
Gain-controlled amplifier
Grant 4,331,929 - Yokoyama May 25, 1 | 1982-05-25 |
Direct-coupled amplifier with output offset regulation
Grant 4,301,421 - Yokoyama November 17, 1 | 1981-11-17 |
Power amplifying device for driving loudspeakers
Grant 4,223,273 - Yokoyama September 16, 1 | 1980-09-16 |
Transistor amplifier for low level signal
Grant 4,103,245 - Yokoyama July 25, 1 | 1978-07-25 |
Compound transistor circuitry
Grant 4,100,438 - Yokoyama July 11, 1 | 1978-07-11 |
Transistor amplifier circuit
Grant 4,087,760 - Yokoyama May 2, 1 | 1978-05-02 |
Amplifier
Grant 4,057,764 - Yokoyama November 8, 1 | 1977-11-08 |
Diallyl phthalate resin-containing aqueous emulsions
Grant 4,017,434 - Suzui , et al. April 12, 1 | 1977-04-12 |
Push-pull amplifier
Grant 4,015,214 - Yokoyama March 29, 1 | 1977-03-29 |
Direct current voltage regulating circuitry
Grant 4,005,353 - Yokoyama January 25, 1 | 1977-01-25 |
Plywood Comprising Ionizing Radiation Cured Cross-linked Diallyl Phthalate Acrylonitrile Polymer And Method Of Making
Grant 3,869,341 - Gotoda , et al. March 4, 1 | 1975-03-04 |
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