| Patent | Date |
|---|
Antenna Coupling Element, Antenna Device, And Electronic Device
App 20220247081 - ISHIZUKA; Kenichi | 2022-08-04 |
Antenna apparatus
Grant 11,387,542 - Kobayashi , et al. July 12, 2 | 2022-07-12 |
Inductance element, high-frequency transformer element, impedance conversion element, and antenna device
Grant 11,289,258 - Ochiai , et al. March 29, 2 | 2022-03-29 |
Antenna coupling element, antenna device, and electronic device
Grant 11,271,314 - Ishizuka March 8, 2 | 2022-03-08 |
Multi-terminal Chip Inductor
App 20220059278 - SHIGEMATSU; Satoshi ; et al. | 2022-02-24 |
Filter circuit, filter circuit element, and multi/demultiplexer
Grant 11,228,295 - Ishizuka January 18, 2 | 2022-01-18 |
Circuit Element
App 20210407721 - SHIGEMATSU; Satoshi ; et al. | 2021-12-30 |
Antenna Device And Electronic Equipment
App 20210376468 - MIKAWA; Kentaro ; et al. | 2021-12-02 |
Lc Composite Component And Communication Terminal Device
App 20210351757 - KOBAYASHI; Hideaki ; et al. | 2021-11-11 |
Filter Circuit Module, Filter Circuit Element, Filter Circuit, And Communication Apparatus
App 20210336648 - SHIGEMATSU; Satoshi ; et al. | 2021-10-28 |
Filter Element
App 20210320638 - SHIGEMATSU; Satoshi ; et al. | 2021-10-14 |
Antenna Device And Electronic Apparatus
App 20210320397 - NASU; Takafumi ; et al. | 2021-10-14 |
Matching Circuit, Matching Circuit Element, And Communication Device
App 20210297052 - AKIYAMA; Hisashi ; et al. | 2021-09-23 |
Antenna device and electronic equipment
Grant 11,128,046 - Mikawa , et al. September 21, 2 | 2021-09-21 |
Surface-mounted LC device
Grant 10,950,381 - Ishizuka , et al. March 16, 2 | 2021-03-16 |
Magnetic field coupling element, antenna device, and electronic equipment
Grant 10,903,571 - Mikawa , et al. January 26, 2 | 2021-01-26 |
Trap filter and filter circuit
Grant 10,903,812 - Kobayashi , et al. January 26, 2 | 2021-01-26 |
Electronic device
Grant 10,886,601 - Ishizuka , et al. January 5, 2 | 2021-01-05 |
Coil device
Grant 10,840,873 - Ishizuka November 17, 2 | 2020-11-17 |
Antenna Apparatus
App 20200328496 - KOBAYASHI; Hideaki ; et al. | 2020-10-15 |
Filter Circuit, Filter Circuit Element, And Multi/demultiplexer
App 20200252041 - Kind Code | 2020-08-06 |
Phase shifter module, multiplexer/demultiplexer, and communication apparatus
Grant 10,734,970 - Ishizuka | 2020-08-04 |
Antenna Coupling Element, Antenna Device, And Electronic Device
App 20200153099 - ISHIZUKA; Kenichi | 2020-05-14 |
Imaging device, object detector and mobile device control system
Grant 10,628,696 - Itoh , et al. | 2020-04-21 |
Resonant circuit, band elimination filter, and band pass filter
Grant 10,530,322 - Nishida , et al. J | 2020-01-07 |
Trap Filter And Filter Circuit
App 20190372544 - KOBAYASHI; Hideaki ; et al. | 2019-12-05 |
Antenna Device And Electronic Equipment
App 20190214727 - MIKAWA; Kentaro ; et al. | 2019-07-11 |
Transformer-type phase shifter, phase-shift circuit, and communication terminal apparatus
Grant 10,348,265 - Ishizuka , et al. July 9, 2 | 2019-07-09 |
Impedance conversion circuit, antenna apparatus, and wireless communication apparatus
Grant 10,348,266 - Teshima , et al. July 9, 2 | 2019-07-09 |
Antenna matching circuit, antenna device, and communication terminal apparatus
Grant 10,340,877 - Ishizuka | 2019-07-02 |
Mobile wireless terminal
Grant 10,327,317 - Tokunaga , et al. | 2019-06-18 |
Magnetic Field Coupling Element, Antenna Device, And Electronic Equipment
App 20190173175 - MIKAWA; Kentaro ; et al. | 2019-06-06 |
Antenna matching circuit, antenna matching module, antenna device and wireless communication device
Grant 10,305,184 - Ishizuka | 2019-05-28 |
Electronic Device
App 20190157746 - ISHIZUKA; Kenichi ; et al. | 2019-05-23 |
Phase shifter, impedance matching circuit, and communication terminal apparatus
Grant 10,277,192 - Ishizuka | 2019-04-30 |
Impedance conversion element and communication device
Grant 10,263,324 - Akiyama , et al. | 2019-04-16 |
Phase Shifter Module, Multiplexer/demultiplexer, And Communication Apparatus
App 20190068166 - ISHIZUKA; Kenichi | 2019-02-28 |
Antenna circuit and communication device
Grant 10,181,644 - Nishida , et al. Ja | 2019-01-15 |
Laminated coil component and matching circuit
Grant 10,049,807 - Ishizuka August 14, 2 | 2018-08-14 |
Transformer and wireless communication apparatus
Grant 10,038,420 - Ishizuka July 31, 2 | 2018-07-31 |
Surface-mounted Lc Device
App 20180211768 - ISHIZUKA; KENICHI ; et al. | 2018-07-26 |
Antenna Circuit And Communication Device
App 20180205149 - NISHIDA; Hiroshi ; et al. | 2018-07-19 |
Acidic-gas separation module
Grant 10,005,024 - Ouchi , et al. June 26, 2 | 2018-06-26 |
Coil Device
App 20180145653 - ISHIZUKA; Kenichi | 2018-05-24 |
Gas separation membrane and gas separation membrane module
Grant 9,975,092 - Kano , et al. May 22, 2 | 2018-05-22 |
Mobile Wireless Terminal
App 20180103531 - TOKUNAGA; Tsuyoshi ; et al. | 2018-04-12 |
Phase Shifter, Impedance Matching Circuit, And Communication Terminal Apparatus
App 20180069524 - ISHIZUKA; Kenichi | 2018-03-08 |
Impedance conversion ratio setting method, impedance conversion circuit, and communication terminal apparatus
Grant 9,893,708 - Ishizuka February 13, 2 | 2018-02-13 |
Impedance converter circuit and communication terminal device
Grant 9,893,421 - Ishizuka February 13, 2 | 2018-02-13 |
Resonant Circuit, Band Elimination Filter, And Band Pass Filter
App 20180041182 - Nishida; Hiroshi ; et al. | 2018-02-08 |
Laminated Coil Component And Matching Circuit
App 20180025829 - ISHIZUKA; Kenichi | 2018-01-25 |
Impedance converting circuit and communication terminal apparatus
Grant 9,837,976 - Kato , et al. December 5, 2 | 2017-12-05 |
Inductance Element, High-frequency Transformer Element, Impedance Conversion Element, And Antenna Device
App 20170345539 - OCHIAI; Akira ; et al. | 2017-11-30 |
Impedance Conversion Element And Communication Device
App 20170324158 - AKIYAMA; Hisashi ; et al. | 2017-11-09 |
Laminated coil component and matching circuit
Grant 9,812,245 - Ishizuka November 7, 2 | 2017-11-07 |
Antenna Matching Circuit, Antenna Device, And Communication Terminal Apparatus
App 20170302246 - ISHIZUKA; Kenichi | 2017-10-19 |
Imaging Device, Object Detector And Mobile Device Control System
App 20170270381 - ITOH; Izumi ; et al. | 2017-09-21 |
Acidic gas separation module, acidic gas separation device, and telescope prevention plate
Grant 9,724,647 - Hosoya , et al. August 8, 2 | 2017-08-08 |
Antenna device and communication terminal apparatus
Grant 9,711,848 - Kato , et al. July 18, 2 | 2017-07-18 |
Transformer and communication terminal device
Grant 9,698,831 - Ishizuka July 4, 2 | 2017-07-04 |
Impedance conversion circuit and antenna device
Grant 9,698,747 - Ishizuka July 4, 2 | 2017-07-04 |
Signal line module and communication terminal apparatus
Grant 9,660,341 - Ishizuka , et al. May 23, 2 | 2017-05-23 |
Phase Shifter, Impedance Matching Circuit, Multi/demultiplexer, And Communication Terminal Apparatus
App 20170133999 - ISHIZUKA; Kenichi ; et al. | 2017-05-11 |
Transformer-type Phase Shifter, Phase-shift Circuit, And Communication Terminal Apparatus
App 20170117868 - ISHIZUKA; Kenichi ; et al. | 2017-04-27 |
Antenna Matching Circuit, Antenna Matching Module, Antenna Device And Wireless Communication Device
App 20170084998 - ISHIZUKA; Kenichi | 2017-03-23 |
Transformer And Wireless Communication Apparatus
App 20170040967 - ISHIZUKA; Kenichi | 2017-02-09 |
Impedance transformation circuit and wireless communication apparatus
Grant 9,515,632 - Ishizuka December 6, 2 | 2016-12-06 |
Gas separation membrane, method of producing the same, and gas separating membrane module using the same
Grant 9,498,755 - Ishizuka , et al. November 22, 2 | 2016-11-22 |
Acidic gas separation laminate and acidic gas separation module provided with laminate
Grant 9,457,319 - Narita , et al. October 4, 2 | 2016-10-04 |
Acidic gas separation laminate and acidic gas separation module provided with laminate
Grant 9,452,384 - Narita , et al. September 27, 2 | 2016-09-27 |
Transformer And Communication Terminal Device
App 20160248450 - ISHIZUKA; Kenichi | 2016-08-25 |
Impedance Conversion Ratio Setting Method, Impedance Conversion Circuit, And Communication Terminal Apparatus
App 20160248397 - ISHIZUKA; Kenichi | 2016-08-25 |
Impedance Converter Circuit And Communication Terminal Device
App 20160240924 - ISHIZUKA; Kenichi | 2016-08-18 |
Gas Separation Membrane And Gas Separation Membrane Module
App 20160220966 - KANO; Kenji ; et al. | 2016-08-04 |
Eyepiece System And Image Observation Apparatus
App 20160195707 - ISHIZUKA; Kenichi ; et al. | 2016-07-07 |
Impedance Conversion Circuit, Antenna Apparatus, And Wireless Communication Apparatus
App 20160182003 - TESHIMA; Yuichiro ; et al. | 2016-06-23 |
Acidic-gas Separation Module
App 20160151740 - OUCHI; Ryo ; et al. | 2016-06-02 |
Acidic Gas Separation Laminate And Acidic Gas Separation Module Provided With Laminate
App 20160136580 - NARITA; Takeshi ; et al. | 2016-05-19 |
Acidic Gas Separation Laminate And Acidic Gas Separation Module Provided With Laminate
App 20160136572 - NARITA; Takeshi ; et al. | 2016-05-19 |
Eyepiece lens system and image observation device
Grant 9,323,040 - Ishizuka April 26, 2 | 2016-04-26 |
Method of designing impedance transformation circuit
Grant 9,298,873 - Ishizuka , et al. March 29, 2 | 2016-03-29 |
Impedance conversion device, antenna device and communication terminal device
Grant 9,287,629 - Kato , et al. March 15, 2 | 2016-03-15 |
Gas separation composite membrane, and gas separating module, gas separation apparatus and gas separation method using the same
Grant 9,272,248 - Sano , et al. March 1, 2 | 2016-03-01 |
Impedance-matching switching circuit, antenna device, high-frequency power amplifying device, and communication terminal apparatus
Grant 9,264,011 - Ishizuka , et al. February 16, 2 | 2016-02-16 |
Gas separation composite membrane and method of producing the same, and gas separating module, gas separation apparatus and gas separation method using the same
Grant 9,248,413 - Sano , et al. February 2, 2 | 2016-02-02 |
Gas separation composite membrane and gas separating module, gas separation apparatus and gas separation method using the same
Grant 9,238,204 - Sano , et al. January 19, 2 | 2016-01-19 |
Laminated Coil Component And Matching Circuit
App 20150371762 - ISHIZUKA; Kenichi | 2015-12-24 |
Front-end circuit and communication terminal apparatus
Grant 9,197,187 - Ishizuka , et al. November 24, 2 | 2015-11-24 |
Antenna device and communication terminal apparatus
Grant 9,153,865 - Ishizuka , et al. October 6, 2 | 2015-10-06 |
Communication terminal device and manufacturing method thereof
Grant 9,099,770 - Ishizuka , et al. August 4, 2 | 2015-08-04 |
Antenna Device And Communication Terminal Apparatus
App 20150214611 - KATO; Noboru ; et al. | 2015-07-30 |
Impedance Conversion Circuit And Antenna Device
App 20150188511 - ISHIZUKA; Kenichi | 2015-07-02 |
Acidic Gas Separation Module, Acidic Gas Separation Device, And Telescope Prevention Plate
App 20150182917 - HOSOYA; Yoichi ; et al. | 2015-07-02 |
Impedance Transformation Circuit And Wireless Communication Apparatus
App 20150180440 - ISHIZUKA; Kenichi | 2015-06-25 |
Method Of Designing Impedance Transformation Circuit
App 20150178434 - ISHIZUKA; Kenichi ; et al. | 2015-06-25 |
Signal Line Module And Communication Terminal Apparatus
App 20150180125 - ISHIZUKA; Kenichi ; et al. | 2015-06-25 |
Frequency stabilization circuit, antenna device, and communication terminal apparatus
Grant 9,065,422 - Ishizuka , et al. June 23, 2 | 2015-06-23 |
Acidic Gas Separation Module And Production Method Therefor, Acidic Gas Separation Layer, Production Method And Facilitated Transport Membrane Therefor, And Acidic Gas Separation System
App 20150151244 - ISHIZUKA; Kenichi | 2015-06-04 |
Display Medium Rewriting Device, Display Device, Display Medium Rewriting Method, And Display Rewriting Program
App 20150145846 - Takeuchi; Takayuki ; et al. | 2015-05-28 |
Antenna device and communication terminal apparatus
Grant 9,030,371 - Kato , et al. May 12, 2 | 2015-05-12 |
Method For Manufacturing Complex For Carbon Dioxide Separation, Complex For Carbon Dioxide Separation, And Module For Carbon Dioxide Separation
App 20150086801 - HIRAKI; Daisuke ; et al. | 2015-03-26 |
Crystalline polymer microporous membrane and filtration filter
Grant 8,925,737 - Ishizuka , et al. January 6, 2 | 2015-01-06 |
Coupling degree adjustment circuit, antenna device, and wireless communication device
Grant 8,912,972 - Ueki , et al. December 16, 2 | 2014-12-16 |
Impedance Conversion Device, Antenna Device And Communication Terminal Device
App 20140266964 - KATO; Noboru ; et al. | 2014-09-18 |
Gas Separation Membrane, Method Of Producing The Same, And Gas Separating Membrane Module Using The Same
App 20140260986 - ISHIZUKA; Kenichi ; et al. | 2014-09-18 |
Antenna Device And Communication Terminal Apparatus
App 20140218246 - ISHIZUKA; Kenichi ; et al. | 2014-08-07 |
Eyepiece Lens System And Image Observation Device
App 20140218806 - Ishizuka; Kenichi | 2014-08-07 |
Gas Separation Membrane, Method Of Producing The Same, And Gas Separating Membrane Module Using The Same
App 20140208949 - ISHIZUKA; Kenichi ; et al. | 2014-07-31 |
Transformer having high degree of coupling, electronic circuit, and electronic device
Grant 8,754,738 - Kato , et al. June 17, 2 | 2014-06-17 |
Crystalline polymer microporous membrane, method for producing the same, and filteration filter
Grant 8,739,976 - Ishizuka , et al. June 3, 2 | 2014-06-03 |
Gas Separation Composite Membrane And Method Of Producing The Same, And Gas Separating Module, Gas Separation Apparatus And Gas Separation Method Using The Same
App 20140130667 - SANO; Satoshi ; et al. | 2014-05-15 |
Gas Separation Composite Membrane, And Gas Separating Module, Gas Separation Apparatus And Gas Separation Method Using The Same
App 20140130669 - SANO; Satoshi ; et al. | 2014-05-15 |
Gas Separation Composite Membrane And Gas Separating Module, Gas Separation Apparatus And Gas Separation Method Using The Same
App 20140130668 - SANO; Satoshi ; et al. | 2014-05-15 |
Antenna device and communication terminal apparatus
Grant 8,723,753 - Kato , et al. May 13, 2 | 2014-05-13 |
Communication Terminal Device And Manufacturing Method Thereof
App 20140091971 - ISHIZUKA; Kenichi ; et al. | 2014-04-03 |
Impedance-matching Switching Circuit, Antenna Device, High-frequency Power Amplifying Device, And Communication Terminal Apparatus
App 20140062817 - ISHIZUKA; Kenichi ; et al. | 2014-03-06 |
Front-end Circuit And Communication Terminal Apparatus
App 20140055209 - ISHIZUKA; Kenichi ; et al. | 2014-02-27 |
Coupling Degree Adjustment Circuit, Antenna Device, And Wireless Communication Device
App 20140049440 - UEKI; Noriyuki ; et al. | 2014-02-20 |
Antenna apparatus and radio communication apparatus
Grant 8,643,557 - Nakano , et al. February 4, 2 | 2014-02-04 |
Crystalline polymer microporous membrane, method for producing the same, and filtration filter
Grant 8,573,408 - Ishizuka , et al. November 5, 2 | 2013-11-05 |
Frequency Stabilization Circuit, Antenna Device, And Communication Terminal Apparatus
App 20130249767 - ISHIZUKA; Kenichi ; et al. | 2013-09-26 |
Antenna device and wireless communication apparatus
Grant 8,508,420 - Fujieda , et al. August 13, 2 | 2013-08-13 |
Impedance Converting Circuit And Communication Terminal Apparatus
App 20130187824 - KATO; Noburo ; et al. | 2013-07-25 |
Crystalline Polymer Microporous Membrane, Production Method Thereof, And Filtration Filter
App 20130087500 - ISHIZUKA; Kenichi ; et al. | 2013-04-11 |
Method of manufacturing polymer film
Grant 8,309,181 - Ishizuka , et al. November 13, 2 | 2012-11-13 |
Transformer Having High Degree Of Coupling, Electronic Circuit, And Electronic Device
App 20120274431 - KATO; Noboru ; et al. | 2012-11-01 |
Antenna device and wireless communication apparatus
Grant 8,279,121 - Ishizuka , et al. October 2, 2 | 2012-10-02 |
Antenna device and wireless communication apparatus
Grant 8,199,057 - Ishizuka , et al. June 12, 2 | 2012-06-12 |
Frequency Stabilization Circuit, Antenna Device, And Communication Terminal Device
App 20120139814 - ISHIZUKA; Kenichi ; et al. | 2012-06-07 |
Antenna Device And Communication Terminal Apparatus
App 20120112979 - KATO; Noboru ; et al. | 2012-05-10 |
Antenna Device And Wireless Communication Device
App 20120001821 - NAKANO; Shinichi ; et al. | 2012-01-05 |
Antenna Device And Communication Terminal Apparatus
App 20110309994 - KATO; Noboru ; et al. | 2011-12-22 |
Crystalline Polymer Microporous Membrane, Method For Producing The Same, And Filtration Filter Using The Same
App 20110240551 - ISHIZUKA; Kenichi ; et al. | 2011-10-06 |
Crystalline Polymer Microporous Membrane, Method For Producing The Same, And Filtration Filter Using The Same
App 20110240552 - Ishizuka; Kenichi ; et al. | 2011-10-06 |
Crystalline Polymer Microporous Membrane And Filtration Filter
App 20110240553 - ISHIZUKA; Kenichi ; et al. | 2011-10-06 |
Crystalline Polymer Microporous Membrane, Method For Producing The Same, And Filtration Filter
App 20110127212 - ISHIZUKA; Kenichi ; et al. | 2011-06-02 |
Crystalline Polymer Microporous Membrane, Method For Producing The Same, And Filtration Filter
App 20110120939 - ISHIZUKA; Kenichi ; et al. | 2011-05-26 |
Filtration Filter And Method For Producing The Same
App 20110120937 - ISHIZUKA; Kenichi ; et al. | 2011-05-26 |
Crystalline Polymer Microporous Membrane, Method For Producing The Same, And Filteration Filter
App 20110120938 - ISHIZUKA; Kenichi ; et al. | 2011-05-26 |
Crystalline Polymer Microporous Membrane, Method For Producing The Same, And Filtration Filter
App 20110120935 - ISHIZUKA; Kenichi ; et al. | 2011-05-26 |
Crystalline Polymer Microporous Membrane, Method For Producing The Same, And Filtration Filter
App 20110073541 - ISHIZUKA; Kenichi ; et al. | 2011-03-31 |
Method Of Manufacturing Polymer Film
App 20110052821 - ISHIZUKA; Kenichi ; et al. | 2011-03-03 |
Crystalline Polymer Microporous Membrane, Method For Producing The Same, And Filtration Filter
App 20110000846 - ISHIZUKA; Kenichi ; et al. | 2011-01-06 |
Structure Having Organic-inorganic Composite Layer And Method Of Manufacturing The Same
App 20100151188 - ISHIZUKA; Kenichi ; et al. | 2010-06-17 |
Antenna Apparatus And Radio Communication Apparatus
App 20100149053 - NAKANO; Shinichi ; et al. | 2010-06-17 |
Microphase-separated Structure On Flexible Substrate, And Method Of Manufacture Thereof
App 20100055390 - ISHIZUKA; KENICHI ; et al. | 2010-03-04 |
Antenna Device And Wireless Communication Apparatus
App 20090273531 - Ishizuka; Kenichi ; et al. | 2009-11-05 |
Porous Film
App 20090239381 - Nishimi; Taisei ; et al. | 2009-09-24 |
Microphase-separated Structure On Flexible Substrate, And Method Of Manufacture Thereof
App 20090239086 - Ishizuka; Kenichi ; et al. | 2009-09-24 |
Antenna Device And Wireless Communication Apparatus
App 20090128428 - Ishizuka; Kenichi ; et al. | 2009-05-21 |
Antenna Device And Wireless Communication Apparatus
App 20090115674 - Fujieda; Shigeyuki ; et al. | 2009-05-07 |
Antenna Structure And Radio Communication Device Using The Same
App 20090040120 - Tsubaki; Nobuhito ; et al. | 2009-02-12 |
Antenna device and wireless communication apparatus
Grant 7,466,277 - Ishizuka , et al. December 16, 2 | 2008-12-16 |
Antenna and wireless communication device
Grant 7,375,695 - Ishizuka , et al. May 20, 2 | 2008-05-20 |
Antenna Device And Wireless Communication Apparatus
App 20080079642 - Ishizuka; Kenichi ; et al. | 2008-04-03 |
Antenna And Wireless Communication Device
App 20070268191 - Ishizuka; Kenichi ; et al. | 2007-11-22 |
Optical disc apparatus and still operation method capable of performing still operation without deteriorating optical disc
App 20050002290 - Ishizuka, Kenichi ; et al. | 2005-01-06 |
Optical disk drive with restricted rotation speed based on information obtained from a disk thereon
App 20030156518 - Ishizuka, Kenichi ; et al. | 2003-08-21 |
Optical disk having multiple write layers, optical disk manufacturing method, optical disk device and optical disk write/read method
App 20030031110 - Ishizuka, Kenichi | 2003-02-13 |
Switch knob having illuminated indicator
Grant 5,865,302 - Suzuki , et al. February 2, 1 | 1999-02-02 |
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