Ishizaki; Toshio

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ishizaki; Toshio.The latest application filed is for "artificial dielectric resonator and artificial dielectric filter using the same".

Company Profile

0.78.63

Ishizaki; Toshio - Otsu JP
ISHIZAKI; Toshio - Otsu-shi JP
Ishizaki; Toshio - Shiga N/A JP
Ishizaki; Toshio - Hyogo N/A JP
Ishizaki; Toshio - Kobe JP
Ishizaki, Toshio - Kobe-shi JP
Ishizaki; Toshio - Hyogo 658 JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Artificial dielectric resonator and artificial dielectric filter using the same Grant 9,905,904 - Ishizaki , et al. February 27, 2	2018-02-27
Artificial Dielectric Resonator And Artificial Dielectric Filter Using The Same App 20170229756 - ISHIZAKI; Toshio ; et al.	2017-08-10
Artificial dielectric resonator and artificial dielectric filter using the same Grant 9,673,500 - Ishizaki , et al. June 6, 2	2017-06-06
Multi-mode resonator/filter comprised of first and second columnar central conductors disposed within a cylindrical exterior conductor Grant 9,385,409 - Ishizaki July 5, 2	2016-07-05
Artificial Dielectric Resonator And Artificial Dielectric Filter Using The Same App 20150002244 - ISHIZAKI; Toshio ; et al.	2015-01-01
Multi-mode Resonator, Multi-mode Filter, And Wireless Communication Device App 20140232487 - Ishizaki; Toshio	2014-08-21
Radio frequency power amplifier Grant 8,558,622 - Uno , et al. October 15, 2	2013-10-15
Radio frequency amplifier circuit Grant 8,525,594 - Kamiyama , et al. September 3, 2	2013-09-03
Laminated RF device with vertical resonators having stack arrangement of laminated layers including dielectric layers Grant 8,451,073 - Hoeft , et al. May 28, 2	2013-05-28
Left-handed filter for use in mobile phone provided with wide band and improved propagation characteristics Grant 8,334,733 - Tamura , et al. December 18, 2	2012-12-18
Spread-spectrum high-frequency heating device Grant 8,330,085 - Ishizaki , et al. December 11, 2	2012-12-11
Resonator and filter using the same Grant 8,248,190 - Tamura , et al. August 21, 2	2012-08-21
Transmission line resonator, high-frequency filter using the same, high-frequency module, and radio device Grant 8,222,975 - Ishizaki , et al. July 17, 2	2012-07-17
Radio Frequency Amplifier Circuit App 20120169423 - Kamiyama; Tomohide ; et al.	2012-07-05
High- Frequency Power Amplifier App 20120098598 - UNO; Takashi ; et al.	2012-04-26
Radio-frequency Heating Apparatus App 20110204043 - Ishizaki; Toshio	2011-08-25
Radio-frequency Heating Apparatus And Radio-frequency Heating Method App 20110168695 - Okajima; Toshiyuki ; et al.	2011-07-14
Alcohol detection system Grant 7,911,350 - Shoji , et al. March 22, 2	2011-03-22
Laminated Rf Device With Vertical Resonators App 20100265015 - Hoeft; Michael ; et al.	2010-10-21
Spread-spectrum High-frequency Heating Device App 20100243645 - Ishizaki; Toshio ; et al.	2010-09-30
Left-handed Filter App 20100207706 - Tamura; Masaya ; et al.	2010-08-19
Resonator And Filter Using The Same App 20100201460 - Tamura; Masaya ; et al.	2010-08-12
Transmission Line Resonator, High-frequency Filter Using The Same, High-frequency Module, And Radio Device App 20100007445 - Ishizaki; Toshio ; et al.	2010-01-14
Composite duplexer Grant 7,629,862 - Satoh , et al. December 8, 2	2009-12-08
Composite Duplexer App 20090256645 - Satoh; Yuki ; et al.	2009-10-15
Filter using piezoelectric resonator Grant 7,479,847 - Yamakawa , et al. January 20, 2	2009-01-20
Alcohol Detection System App 20080316037 - Shoji; Rihito ; et al.	2008-12-25
3-frequency branching circuit, branching circuit and radio communication equipment Grant 7,324,493 - Yamada , et al. January 29, 2	2008-01-29
Electronic component mounting board, electronic component module, method of manufacturing electronic component mounting board, and communications equipment Grant 7,274,570 - Ishizaki September 25, 2	2007-09-25
Balanced high-frequency filter, antenna duplexer, balanced high-frequency circuit and communication apparatus Grant 7,224,240 - Nakamura , et al. May 29, 2	2007-05-29
Filter using piezoelectric resonator App 20070109073 - Yamakawa; Takehiko ; et al.	2007-05-17
Balanced high-frequency device and balanced high-frequency circuit using the same Grant 7,176,768 - Nakamura , et al. February 13, 2	2007-02-13
Filter using piezoelectric resonator Grant 7,138,888 - Yamakawa , et al. November 21, 2	2006-11-21
Antenna module and radio apparatus using the same App 20060256017 - Ishizaki; Toshio	2006-11-16
Transmitting/receiving switch Grant 7,127,215 - Nakamura , et al. October 24, 2	2006-10-24
Dielectric resonator, dielectric filter, and method of supporting dielectric resonance element Grant 7,106,152 - Yamakawa , et al. September 12, 2	2006-09-12
Multilayer electronic component and communication apparatus and method Grant 7,054,608 - Yamakawa , et al. May 30, 2	2006-05-30
Antenna duplexer and mobile communication device using the same Grant 7,038,557 - Nakamura , et al. May 2, 2	2006-05-02
High frequency switch and high frequency radio communication apparatus Grant 7,027,777 - Uriu , et al. April 11, 2	2006-04-11
High-frequency compound switch module and communication terminal using it Grant 6,995,630 - Satoh , et al. February 7, 2	2006-02-07
In-band-flat-group-delay type dielectric filter and linearized amplifier using the same Grant 6,995,636 - Yamakawa , et al. February 7, 2	2006-02-07
Filter, high-frequency module, communication device and filtering method App 20060022773 - Iwasaki; Tomohiro ; et al.	2006-02-02
RF device and communication apparatus using the same Grant 6,985,712 - Yamakawa , et al. January 10, 2	2006-01-10
Diplexer, and high-frequency switch and antenna duplexer using the same Grant 6,975,841 - Uriu , et al. December 13, 2	2005-12-13
Antenna switch module, all-in-one communication module, communication apparatus and method for manufacturing antenna switch module Grant 6,975,271 - Adachi , et al. December 13, 2	2005-12-13
Dielectric filter, antenna duplexer Grant 6,965,284 - Maekawa , et al. November 15, 2	2005-11-15
Balanced high-frequency filter, antenna duplexer, balanced high-frequency circuit and communication apparatus App 20050242900 - Nakamura, Hiroyuki ; et al.	2005-11-03
Balanced high-frequency device and balanced high-frequency circuit using the same App 20050212383 - Nakamura, Hiroyuki ; et al.	2005-09-29
Method for manufacturing dielectric laminated device Grant 6,941,650 - Nakakubo , et al. September 13, 2	2005-09-13
Balanced high-frequency device and balance-characteristics improving method and balanced high-frequency circuit using the same Grant 6,900,705 - Nakamura , et al. May 31, 2	2005-05-31
Filter using piezoelectric resonator App 20050110596 - Yamakawa, Takehiko ; et al.	2005-05-26
High-frequency device and communication apparatus Grant 6,882,250 - Uriu , et al. April 19, 2	2005-04-19
High frequency switch, two-band type high frequency switch, three-band type high frequency switch, and mobile communication equipment App 20050056860 - Kitazawa, Shoichi ; et al.	2005-03-17
Dielectric resonator, dielectric filter, and method of supporting dielectric resonance element App 20050030131 - Yamakawa, Takehiko ; et al.	2005-02-10
High frequency switch, two-band type high frequency switch, three-band type high frequency switch, and mobile communication equipment Grant 6,835,968 - Kitazawa , et al. December 28, 2	2004-12-28
Electronic component mounting board, electronic component module, method of manufacturing electronic component mounting board, and communications equipment App 20040240183 - Ishizaki, Toshio	2004-12-02
Laminated electronic component, laminated duplexer and communication device Grant 6,822,534 - Uriu , et al. November 23, 2	2004-11-23
Antenna switch module, all-in-one communication module, communication apparatus and method for manufacturing antenna switch module App 20040227666 - Adachi, Masakazu ; et al.	2004-11-18
Composite filter, antenna duplexer, and communication apparatus Grant 6,809,611 - Ishizaki , et al. October 26, 2	2004-10-26
Inter-digital transducer, surface acoustic wave filter and communication apparatus using the same Grant 6,801,100 - Nakamura , et al. October 5, 2	2004-10-05
In-band-flat-group-delay type dielectric filter and linearized amplifier using the same Grant 6,794,959 - Yamakawa , et al. September 21, 2	2004-09-21
Antenna duplexer and communication apparatus Grant 6,784,759 - Maekawa , et al. August 31, 2	2004-08-31
Multilayer ceramic device Grant 6,784,765 - Yamada , et al. August 31, 2	2004-08-31
In-band-flat-group-delay type dielectric filter and linearized amplifier using the same App 20040145432 - Yamakawa, Takehiko ; et al.	2004-07-29
Laminated bandpass filter, high frequency radio device and laminated bandpass filter manufacturing method Grant 6,768,399 - Uriu , et al. July 27, 2	2004-07-27
Dielectric laminated device including a buried electric conductive member to form a strip line and its method of manufacture Grant 6,765,460 - Nakakubo , et al. July 20, 2	2004-07-20
Resonator, filter, communication apparatus, resonator manufacturing method and filter manufacturing method App 20040130412 - Yamakawa, Takehiko ; et al.	2004-07-08
High-frequency filter device, filter device combined to a transmit-receive antenna, and wireless apparatus using the same Grant 6,759,916 - Ishizaki , et al. July 6, 2	2004-07-06
High frequency switch and radio communication apparatus with layered body for saw filter mounting Grant 6,750,737 - Uriu , et al. June 15, 2	2004-06-15
Dielectric filter, antenna duplexer, and communications appliance Grant 6,747,528 - Maekawa , et al. June 8, 2	2004-06-08
Filter, high-frequency module, communication device and filtering method App 20040095212 - Iwasaki, Tomohiro ; et al.	2004-05-20
High-frequency compound switch module and communication terminal using it App 20040071111 - Satoh, Yuki ; et al.	2004-04-15
Surface acoustic wave filter and communications apparatus using the same Grant 6,710,683 - Nakamura , et al. March 23, 2	2004-03-23
Dielectric filter Grant 6,707,353 - Yamakawa , et al. March 16, 2	2004-03-16
Dielectric filter, communication apparatus, and method of controlling resonance frequency App 20040041661 - Yamakawa, Takehiko ; et al.	2004-03-04
Dielectric filter App 20040036557 - Yamakawa, Takehiko ; et al.	2004-02-26
High-frequency device and communication apparatus App 20040012461 - Uriu, Kazuhide ; et al.	2004-01-22
Balanced high-frequency device and balance-characteristics improving method and balanced high-frequency circuit using the same App 20030201846 - Nakamura, Hiroyuki ; et al.	2003-10-30
3-frequency branching circuit, branching circuit, and radio communication device App 20030189910 - Yamada, Toru ; et al.	2003-10-09
High-frequency filter device, filter device combined to a transmit-receive antenna, and wireless apparatus using the same App 20030184402 - Ishizaki, Toshio ; et al.	2003-10-02
Matching circuit chip, filter with matching circuit, duplexer and cellular phone Grant 6,608,533 - Kushitani , et al. August 19, 2	2003-08-19
Matching circuit chip, filter with matching circuit, duplexer and cellular phone Grant 6,608,534 - Kushitani , et al. August 19, 2	2003-08-19
Multilayer ceramic device App 20030151471 - Yamada, Toru ; et al.	2003-08-14
Multilayer electronic part, multilayer antenna duplexer, and communication apparatus App 20030147197 - Uriu, Kazuhide ; et al.	2003-08-07
Laminated notch filter and cellular phone using the same Grant 6,603,372 - Ishizaki , et al. August 5, 2	2003-08-05
Dielectric filter, antenna duplexer App 20030141948 - Maekawa, Tomoya ; et al.	2003-07-31
High frequency switch, two-band type high frequency switch, three-band type high frequency switch, and mobile communication equipment App 20030141515 - Kitazawa, Shoichi ; et al.	2003-07-31
Dielectric filter, antenna duplexer, and communications appliance App 20030141943 - Maekawa, Tomoya ; et al.	2003-07-31
High frequency switch and mobile communication equipment Grant 6,586,786 - Kitazawa , et al. July 1, 2	2003-07-01
Dielectric laminated device including a buried electric conductive member to form a strip line and its method of manufacture App 20030117242 - Nakakubo, Hideaki ; et al.	2003-06-26
Transmitting/receiving Switch And Portable Terminal Unit App 20030119455 - NAKAMURA, HIROYUKI ; et al.	2003-06-26
Multilayer ceramic device including two ceramic layers with multilayer circuit patterns that can support semiconductor and saw chips Grant 6,570,469 - Yamada , et al. May 27, 2	2003-05-27
High frequency switch and high frequency radio communication apparatus App 20030092398 - Uriu, Kazuhide ; et al.	2003-05-15
Diplexer, and high-frequency switch and antenna duplexer using the same App 20030092397 - Uriu, Kazuhide ; et al.	2003-05-15
High frequency switch and radio communication apparatus App 20030085774 - Uriu, Kazuhide ; et al.	2003-05-08
RF device and communication apparatus using the same App 20030068998 - Yamakawa, Takehiko ; et al.	2003-04-10
In-band-flat-group-delay type dielectric filter and linearized amplifier using the same App 20030052751 - Yamakawa, Takehiko ; et al.	2003-03-20
Laminated band pass filter, high frequency radio equipment, and method of manufacturing laminated band pass filter App 20030048156 - Uriu, Kazuhide ; et al.	2003-03-13
Antenna duplexer and communication apparatus App 20030025572 - Maekawa, Tomoya ; et al.	2003-02-06
Dielectric laminated device including a buried electric conductive member to form a strip line and its method of manufacture App 20030020569 - Nakakubo, Hideaki ; et al.	2003-01-30
Antenna duplexer and mobile communication device using the same App 20020186757 - Nakamura, Hiroyuki ; et al.	2002-12-12
Surface acoustic wave filter and communications apparatus using the same App 20020158715 - Nakamura, Hiroyuki ; et al.	2002-10-31
Inter-digital transducer, surface acoustic wave filter and communication apparatus using the same App 20020140526 - Nakamura, Hiroyuki ; et al.	2002-10-03
Multilayered ceramic RF device Grant 6,456,172 - Ishizaki , et al. September 24, 2	2002-09-24
Multilayer electronic component and communication apparatus and method App 20020119764 - Yamakawa, Takehiko ; et al.	2002-08-29
High frequency switch, two-band type high frequency switch, three-band type high frequency switch, and mobile communication equipment App 20020100970 - Kitazawa, Shoichi ; et al.	2002-08-01
Dielectric resonator having a frequency tuning member spirally engaged with the cavity Grant 6,414,572 - Satoh , et al. July 2, 2	2002-07-02
Multilayer filter App 20020063613 - Nagatomi, Yoshitaka ; et al.	2002-05-30
Matching circuit chip, filter with matching circuit, duplexer and cellular phone App 20020027482 - Kushitani, Hiroshi ; et al.	2002-03-07
Surface acoustic wave filter and multistage surface acoustic wave filter Grant 6,351,196 - Nakamura , et al. February 26, 2	2002-02-26
Surface Acoustic Wave Filter And Multistage Surface Acoustic Wave Filter App 20020014934 - NAKAMURA, HIROYUKI ; et al.	2002-02-07
Multilayer ceramic device App 20020011907 - Yamada, Toru ; et al.	2002-01-31
Dielectric Laminated Device And Its Manufacturing Method App 20020000900 - NAKAKUBO, HIDEAKI ; et al.	2002-01-03
Dielectric filter, antenna duplexer, and communications appliance App 20010050599 - Maekawa, Tomoya ; et al.	2001-12-13
Matching circuit chip, filter with matching circuit, duplexer and cellular phone App 20010048350 - Kushitani, Hiroshi ; et al.	2001-12-06
Laminated dielectric antenna duplexer and a dielectric filter Grant 6,304,156 - Ishizaki , et al. October 16, 2	2001-10-16
Dielectric resonator, dielectric notch filter, and dielectric filter App 20010011937 - Satoh, Yuki ; et al.	2001-08-09
Surface acoustic wave filter and multistage surface acoustic wave filter App 20010010484 - Nakamura, Hiroyuki ; et al.	2001-08-02
Multilayer filter with electrode patterns connected on different side surfaces to side electrodes and input/output electrodes Grant 6,177,853 - Nagatomi , et al. January 23, 2	2001-01-23
Dual-band multilayer bandpass filter Grant 6,147,571 - Kitazawa , et al. November 14, 2	2000-11-14
Dielectric laminated filter Grant 6,140,891 - Nakakubo , et al. October 31, 2	2000-10-31
Antenna duplexer Grant 6,085,071 - Yamada , et al. July 4, 2	2000-07-04
Filter with low-noise amplifier Grant 6,072,376 - Matsuyoshi , et al. June 6, 2	2000-06-06
Laminated dielectric antenna duplexer and a dielectric filter Grant 6,020,799 - Ishizaki , et al. February 1, 2	2000-02-01
Piezoelectric filter of the ladder type Grant 5,986,522 - Asakawa , et al. November 16, 1	1999-11-16
Piezoelectric device and a package Grant 5,847,489 - Satoh , et al. December 8, 1	1998-12-08
Dielectric filter with multiple resonators Grant 5,719,539 - Ishizaki , et al. February 17, 1	1998-02-17
Dielectric notch resonator and filter having preadjusted degree of coupling Grant 5,714,919 - Satoh , et al. February 3, 1	1998-02-03
Antenna diversity switching device with switching circuits between the receiver terminal and each antenna Grant 5,594,394 - Sasaki , et al. January 14, 1	1997-01-14
Frequency tunable resonator including a varactor Grant 5,475,350 - Yamada , et al. December 12, 1	1995-12-12
Temperature compensated crystal oscillator Grant 5,473,289 - Ishizaki , et al. December 5, 1	1995-12-05
Dielectric filter having inter-resonator coupling including both magnetic and electric coupling Grant 5,396,201 - Ishizaki , et al. March 7, 1	1995-03-07
Linear amplifier Grant 5,371,477 - Ikeda , et al. December 6, 1	1994-12-06
Dielectric filter having inter-resonator coupling including both magnetic and electric coupling Grant 5,323,128 - Ishizaki , et al. June 21, 1	1994-06-21
Method of direct bonding of crystals and crystal devices Grant 5,319,324 - Satoh , et al. June 7, 1	1994-06-07
Antenna device Grant 5,274,388 - Ishizaki , et al. December 28, 1	1993-12-28
Dielectric filters with a single through-hole Grant 5,166,649 - Aizawa , et al. November 24, 1	1992-11-24