KAWAHATA; Kazunari

Patent Applications and Registrations

Patent applications and USPTO patent grants for KAWAHATA; Kazunari.The latest application filed is for "communication device".

Company Profile

5.50.41

KAWAHATA; Kazunari - Nagaokakyo-shi JP
KAWAHATA; Kazunari - Kyoto JP
Kawahata; Kazunari - Kanagawa-ken N/A JP
Kawahata; Kazunari - Yokohama N/A JP
KAWAHATA; Kazunari - Kyoto-fu JP
Kawahata; Kazunari - Yokohama-shi JP
Kawahata; Kazunari - Machida JP
Kawahata; Kazunari - Machida-shi JP
Kawahata; Kazunari - Tokyo-to JP
Kawahata, Kazunari - Tokyo 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
Communication Device App 20220173508 - UEDA; Hideki ; et al.	2022-06-02
Antenna Device And Communication Device App 20220173530 - UEDA; Hideki ; et al.	2022-06-02
Communication Module App 20210105030 - KAWAHATA; Kazunari ; et al.	2021-04-08
Object Shape Detection Apparatus, Vehicle Including The Same, And Object Shape Detection Method App 20200379086 - MAEKAWA; Takuya ; et al.	2020-12-03
Antenna Apparatus, Antenna Module, And Wireless Apparatus App 20200312798 - KAWAHATA; Kazunari	2020-10-01
Luneburg lens antenna device Grant 10,777,902 - Kawahata Sept	2020-09-15
Luneburg lens antenna device Grant 10,468,777 - Kawahata No	2019-11-05
Antenna device including patch array antenna and conductive metal member Grant 10,276,943 - Kawahata , et al.	2019-04-30
Luneburg Lens Antenna Device App 20190058251 - KAWAHATA; Kazunari	2019-02-21
Luneburg Lens Antenna Device App 20180269586 - Kawahata; Kazunari	2018-09-20
Antenna Device App 20180076530 - Kawahata; Kazunari ; et al.	2018-03-15
MEMS module, variable reactance circuit and antenna device Grant 9,350,073 - Kawahata , et al. May 24, 2	2016-05-24
Antenna apparatus and radio communication apparatus Grant 8,643,557 - Nakano , et al. February 4, 2	2014-02-04
Mems Module, Variable Reactance Circuit And Antenna Device App 20130293432 - KAWAHATA; Kazunari ; et al.	2013-11-07
Frequency-variable Circuit And Multi-band Antenna Device App 20130285875 - KAWAHATA; Kazunari	2013-10-31
Antenna device and wireless communication apparatus Grant 8,508,420 - Fujieda , et al. August 13, 2	2013-08-13
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
Antenna Module App 20120075158 - KAWAHATA; Kazunari	2012-03-29
Antenna Device And Wireless Communication Device App 20120001821 - NAKANO; Shinichi ; et al.	2012-01-05
Surface-mount antenna and antenna device Grant 7,940,226 - Tsubaki , et al. May 10, 2	2011-05-10
Antenna Apparatus And Radio Communication Apparatus App 20100149053 - NAKANO; Shinichi ; et al.	2010-06-17
Antenna Device And Wireless Communication Apparatus App 20090273531 - Ishizuka; Kenichi ; et al.	2009-11-05
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
Surface-mount Antenna And Antenna Device App 20090109106 - Tsubaki; Nobuhito ; et al.	2009-04-30
Antenna device and radio communication apparatus using the same Grant 7,502,638 - Shimizu , et al. March 10, 2	2009-03-10
Antenna Structure And Radio Communication Device Using The Same App 20090040120 - Tsubaki; Nobuhito ; et al.	2009-02-12
Coil antenna structure and portable electronic apparatus Grant 7,466,283 - Kamitani , et al. December 16, 2	2008-12-16
Antenna device and wireless communication apparatus Grant 7,466,277 - Ishizuka , et al. December 16, 2	2008-12-16
Antenna structure and communication apparatus including the same Grant 7,382,319 - Kawahata , et al. June 3, 2	2008-06-03
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
Antenna and portable radio communication apparatus App 20070188383 - Onaka; Kengo ; et al.	2007-08-16
Antenna structure and communication apparatus including the same App 20070115177 - Kawahata; Kazunari ; et al.	2007-05-24
Coil Antenna Structure And Portable Electronic Apparatus App 20070052600 - KAMITANI; Gaku ; et al.	2007-03-08
Antenna Device And Radio Communication Apparatus Using The Same App 20060293097 - SHIMIZU; Mie ; et al.	2006-12-28
Antenna and radio communication apparatus Grant 7,119,749 - Miyata , et al. October 10, 2	2006-10-10
Antenna and radio communication apparatus App 20050243001 - Miyata, Akira ; et al.	2005-11-03
Surface mount antenna, antenna device using the same, and communication device Grant 6,950,072 - Miyata , et al. September 27, 2	2005-09-27
Antenna structure and communication apparatus including the same Grant 6,850,195 - Onaka , et al. February 1, 2	2005-02-01
Antenna unit and communication device including same Grant 6,803,881 - Ishihara , et al. October 12, 2	2004-10-12
Multi-resonance antenna Grant 6,784,843 - Onaka , et al. August 31, 2	2004-08-31
Antenna structure and communication apparatus including the same App 20040085248 - Onaka, Kengo ; et al.	2004-05-06
Surface mount antenna, antenna device using the same, and communication device App 20040085245 - Miyata, Akira ; et al.	2004-05-06
Antenna unit and communication device including same App 20040036653 - Ishihara, Takashi ; et al.	2004-02-26
Multi-resonance antenna App 20040027287 - Onaka, Kengo ; et al.	2004-02-12
Circularly polarized antenna apparatus and radio communication apparatus using the same Grant 6,677,902 - Akiyama , et al. January 13, 2	2004-01-13
Antenna with an integral RF circuit, antenna module incorporating the same, and communication apparatus incorporating the same Grant 6,646,609 - Yuasa , et al. November 11, 2	2003-11-11
Antenna-electrode structure and communication apparatus having the same Grant 6,614,401 - Onaka , et al. September 2, 2	2003-09-02
Antenna apparatus Grant 6,600,449 - Onaka , et al. July 29, 2	2003-07-29
Circularly polarized antenna apparatus and radio communication apparatus using the same App 20030058175 - Akiyama, Hisashi ; et al.	2003-03-27
Antenna with an integral RF circuit, antenna module incorporating the same, and communication apparatus incorporating the same App 20030030587 - Yuasa, Atsuyuki ; et al.	2003-02-13
Surface-mounted type antenna and communication device including the same Grant 6,501,425 - Nagumo , et al. December 31, 2	2002-12-31
Antenna apparatus App 20020145569 - Onaka, Kengo ; et al.	2002-10-10
Antenna-electrode structure and communication apparatus having the same App 20020140610 - Onaka, Kengo ; et al.	2002-10-03
Surface mount antenna and communication device including the same Grant 6,452,548 - Nagumo , et al. September 17, 2	2002-09-17
Surface-mounted antenna and wireless device incorporating the same Grant 6,433,745 - Nagumo , et al. August 13, 2	2002-08-13
Circularly polarized antenna device and radio communication apparatus using the same Grant 6,396,442 - Kawahata , et al. May 28, 2	2002-05-28
Circularly polarized wave antenna and manufacturing method therefor App 20020036590 - Itoh, Shigekazu ; et al.	2002-03-28
Circularly polarized wave antenna device App 20020033770 - Akiyama, Hisashi ; et al.	2002-03-21
Surface-mounted antenna and wireless device incorporating the same App 20020030626 - Nagumo, Shoji ; et al.	2002-03-14
Circularly polarized antenna device and radio communication apparatus using the same App 20020024465 - Kawahata, Kazunari ; et al.	2002-02-28
Circularly polarized wave antenna and device using the same App 20010048392 - Kawahata, Kazunari ; et al.	2001-12-06
Surface mount antenna and communication device including the same App 20010048390 - Nagumo, Shoji ; et al.	2001-12-06
Surface-mount antenna and communication device with surface-mount antenna Grant 6,323,811 - Tsubaki , et al. November 27, 2	2001-11-27
Surface-mount antenna and communication apparatus using the same Grant 6,320,545 - Nagumo , et al. November 20, 2	2001-11-20
Surface-mounted antenna, method for adjusting and setting dual-resonance frequency thereof, and communication device including the surface-mounted type antenna App 20010040527 - Nagumo, Shoji ; et al.	2001-11-15
Antenna unit and communication device using the same Grant 6,300,909 - Tsubaki , et al. October 9, 2	2001-10-09
Antenna device and communincation apparatus App 20010015701 - Ito, Shigekazu ; et al.	2001-08-23
Surface-mounting type antenna, antenna device, and communication device including the antenna device Grant 6,177,908 - Kawahata , et al. January 23, 2	2001-01-23
Antenna apparatus and communication apparatus using the antenna apparatus Grant 6,172,646 - Kawahata , et al. January 9, 2	2001-01-09
Antenna device and radio device comprising the same Grant 6,147,650 - Kawahata , et al. November 14, 2	2000-11-14
Surface mount type circularly polarized wave antenna and communication apparatus using the same Grant 6,140,968 - Kawahata , et al. October 31, 2	2000-10-31
Surface mount antenna and communication apparatus using the same Grant 6,100,849 - Tsubaki , et al. August 8, 2	2000-08-08
Antenna with nonradiative dielectric waveguide Grant 6,008,771 - Tanaka , et al. December 28, 1	1999-12-28
Surface mount antenna and communication apparatus using same Grant 6,002,366 - Kawahata , et al. December 14, 1	1999-12-14
Antenna device and communication apparatus incorporating the same Grant 5,952,970 - Kawahata September 14, 1	1999-09-14
Method of mounting surface mounting antenna on mounting substrate antenna apparatus and communication apparatus employing mounting substrate Grant 5,943,019 - Kawahata , et al. August 24, 1	1999-08-24
Dielectric rod antenna Grant 5,936,589 - Kawahata August 10, 1	1999-08-10
Surface mounting antenna and communication apparatus using the same antenna Grant 5,903,240 - Kawahata , et al. May 11, 1	1999-05-11
Antenna formed of multiple dielectric substrates including shielded LC filter Grant 5,898,403 - Saitoh , et al. April 27, 1	1999-04-27
Surface-mount-type antenna and communication equipment using same Grant 5,867,126 - Kawahata , et al. February 2, 1	1999-02-02
Surface-mount antenna and a communication apparatus using the same Grant 5,861,854 - Kawahata , et al. January 19, 1	1999-01-19
Surface mounting antenna and communication apparatus using the same Grant 5,696,517 - Kawahata , et al. December 9, 1	1997-12-09
Surface-mount-type antenna and mounting structure thereof Grant 5,581,262 - Kawahata , et al. December 3, 1	1996-12-03
Surface-mountable antenna Grant 5,541,616 - Kawahata , et al. July 30, 1	1996-07-30
High frequency broad-band mixing circuit including an electrolytic capacitor in parallel with a local oscillator input port Grant 4,979,233 - Kawahata December 18, 1	1990-12-18