Kazunari Kawahata

Person

Kyoto, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Communication device
- Patent number 11,942,685
- Issue date Mar 26, 2024
- Murata Manufacturing Co., Ltd.
- Hideki Ueda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Object shape detection apparatus, vehicle including the same, and o...
- Patent number 11,885,909
- Issue date Jan 30, 2024
- Murata Manufacturing Co., Ltd.
- Takuya Maekawa
- G01 - MEASURING TESTING
Information Patent Grant
Communication module
- Patent number 11,611,361
- Issue date Mar 21, 2023
- Murata Manufacturing Co., Ltd.
- Kazunari Kawahata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Luneburg lens antenna device
- Patent number 10,777,902
- Issue date Sep 15, 2020
- Murata Manufacturing Co., Ltd.
- Kazunari Kawahata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Luneburg lens antenna device
- Patent number 10,468,777
- Issue date Nov 5, 2019
- Murata Manufacturing Co., Ltd.
- Kazunari Kawahata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna device including patch array antenna and conductive metal m...
- Patent number 10,276,943
- Issue date Apr 30, 2019
- Murata Manufacturing Co., Ltd.
- Kazunari Kawahata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
MEMS module, variable reactance circuit and antenna device
- Patent number 9,350,073
- Issue date May 24, 2016
- Murata Manufacturing Co., Ltd.
- Kazunari Kawahata
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
Antenna apparatus and radio communication apparatus
- Patent number 8,643,557
- Issue date Feb 4, 2014
- Murata Manufacturing Co., Ltd.
- Shinichi Nakano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna device and wireless communication apparatus
- Patent number 8,508,420
- Issue date Aug 13, 2013
- Murata Manufacturing Co., Ltd.
- Shigeyuki Fujieda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna device and wireless communication apparatus
- Patent number 8,279,121
- Issue date Oct 2, 2012
- Murata Manufacturing Co., Ltd.
- Kenichi Ishizuka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna device and wireless communication apparatus
- Patent number 8,199,057
- Issue date Jun 12, 2012
- Murata Manufactruing Co., Ltd.
- Kenichi Ishizuka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Surface-mount antenna and antenna device
- Patent number 7,940,226
- Issue date May 10, 2011
- Murata Manufacturing Co., Ltd.
- Nobuhito Tsubaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna device and radio communication apparatus using the same
- Patent number 7,502,638
- Issue date Mar 10, 2009
- Murata Manufacturing Co., Ltd.
- Mie Shimizu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Coil antenna structure and portable electronic apparatus
- Patent number 7,466,283
- Issue date Dec 16, 2008
- Murata Manufacturing Co., Ltd.
- Gaku Kamitani
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Antenna device and wireless communication apparatus
- Patent number 7,466,277
- Issue date Dec 16, 2008
- Murata Manufacturing Co., Ltd.
- Kenichi Ishizuka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna structure and communication apparatus including the same
- Patent number 7,382,319
- Issue date Jun 3, 2008
- Murata Manufacturing Co., Ltd.
- Kazunari Kawahata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna and wireless communication device
- Patent number 7,375,695
- Issue date May 20, 2008
- Murata Manufacturing Co., Ltd.
- Kenichi Ishizuka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna and radio communication apparatus
- Patent number 7,119,749
- Issue date Oct 10, 2006
- Murata Manufacturing Co., Ltd.
- Akira Miyata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Surface mount antenna, antenna device using the same, and communica...
- Patent number 6,950,072
- Issue date Sep 27, 2005
- Murata Manufacturing Co., Ltd.
- Akira Miyata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna structure and communication apparatus including the same
- Patent number 6,850,195
- Issue date Feb 1, 2005
- Murata Manufacturing Co., Ltd.
- Kengo Onaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna unit and communication device including same
- Patent number 6,803,881
- Issue date Oct 12, 2004
- Murata Manufacturing Co., Ltd.
- Takashi Ishihara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Multi-resonance antenna
- Patent number 6,784,843
- Issue date Aug 31, 2004
- Murata Manufacturing Co., Ltd.
- Kengo Onaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circularly polarized antenna apparatus and radio communication appa...
- Patent number 6,677,902
- Issue date Jan 13, 2004
- Murata Manufacturing Co., Ltd.
- Hisashi Akiyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna with an integral RF circuit, antenna module incorporating t...
- Patent number 6,646,609
- Issue date Nov 11, 2003
- Murata Manufacturing Co., Ltd.
- Atsuyuki Yuasa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Antenna-electrode structure and communication apparatus having the...
- Patent number 6,614,401
- Issue date Sep 2, 2003
- Murata Manufacturing Co., Ltd.
- Kengo Onaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna apparatus
- Patent number 6,600,449
- Issue date Jul 29, 2003
- Murata Manufacturing Co., Ltd.
- Kengo Onaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Surface-mounted type antenna and communication device including the...
- Patent number 6,501,425
- Issue date Dec 31, 2002
- Murrata Manufacturing Co., Ltd.
- Shoji Nagumo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Surface-mounted antenna, method for adjusting and setting dual-reso...
- Patent number 6,492,946
- Issue date Dec 10, 2002
- Murata Manufacturing Co., Ltd.
- Shoji Nagumo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circularly polarized wave antenna and manufacturing method therefor
- Patent number 6,483,465
- Issue date Nov 19, 2002
- Murata Manufacturing Co., Ltd.
- Shigekazu Itoh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Surface mount antenna and communication device including the same
- Patent number 6,452,548
- Issue date Sep 17, 2002
- Murata Manufacturing Co., Ltd.
- Shoji Nagumo
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
MICRO LENS ARRAY ANTENNA AND RADAR DEVICE AND VEHICLE HAVING MICRO...
- Publication number 20240186713
- Publication date Jun 6, 2024
- Murata Manufacturing Co., Ltd.
- Kazunari KAWAHATA
- G01 - MEASURING TESTING
Information Patent Application
COMMUNICATION DEVICE
- Publication number 20220173508
- Publication date Jun 2, 2022
- Murata Manufacturing Co., Ltd.
- Hideki UEDA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ANTENNA DEVICE AND COMMUNICATION DEVICE
- Publication number 20220173530
- Publication date Jun 2, 2022
- Murata Manufacturing Co., Ltd.
- Hideki UEDA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COMMUNICATION MODULE
- Publication number 20210105030
- Publication date Apr 8, 2021
- MURATA MANUFACTURING CO., LTD.
- Kazunari KAWAHATA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OBJECT SHAPE DETECTION APPARATUS, VEHICLE INCLUDING THE SAME, AND O...
- Publication number 20200379086
- Publication date Dec 3, 2020
- MURATA MANUFACTURING CO., LTD.
- Takuya MAEKAWA
- G01 - MEASURING TESTING
Information Patent Application
ANTENNA APPARATUS, ANTENNA MODULE, AND WIRELESS APPARATUS
- Publication number 20200312798
- Publication date Oct 1, 2020
- MURATA MANUFACTURING CO., LTD.
- Kazunari KAWAHATA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LUNEBURG LENS ANTENNA DEVICE
- Publication number 20190058251
- Publication date Feb 21, 2019
- MURATA MANUFACTURING CO., LTD.
- Kazunari Kawahata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LUNEBURG LENS ANTENNA DEVICE
- Publication number 20180269586
- Publication date Sep 20, 2018
- MURATA MANUFACTURING CO., LTD.
- Kazunari Kawahata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ANTENNA DEVICE
- Publication number 20180076530
- Publication date Mar 15, 2018
- MURATA MANUFACTURING CO., LTD.
- Kazunari Kawahata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MEMS MODULE, VARIABLE REACTANCE CIRCUIT AND ANTENNA DEVICE
- Publication number 20130293432
- Publication date Nov 7, 2013
- Kazunari KAWAHATA
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
FREQUENCY-VARIABLE CIRCUIT AND MULTI-BAND ANTENNA DEVICE
- Publication number 20130285875
- Publication date Oct 31, 2013
- Kazunari KAWAHATA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ANTENNA MODULE
- Publication number 20120075158
- Publication date Mar 29, 2012
- Murata Manufacturing Co., Ltd.
- Kazunari KAWAHATA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ANTENNA DEVICE AND WIRELESS COMMUNICATION DEVICE
- Publication number 20120001821
- Publication date Jan 5, 2012
- Murata Manufacturing Co., Ltd.
- Shinichi NAKANO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ANTENNA APPARATUS AND RADIO COMMUNICATION APPARATUS
- Publication number 20100149053
- Publication date Jun 17, 2010
- Murata Manufacturing Co., Ltd.
- Shinichi NAKANO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ANTENNA DEVICE AND WIRELESS COMMUNICATION APPARATUS
- Publication number 20090273531
- Publication date Nov 5, 2009
- Murata Manufacturing Co. ,Ltd.
- Kenichi Ishizuka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ANTENNA DEVICE AND WIRELESS COMMUNICATION APPARATUS
- Publication number 20090128428
- Publication date May 21, 2009
- Murata Manufacturing Co., Ltd.
- Kenichi Ishizuka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ANTENNA DEVICE AND WIRELESS COMMUNICATION APPARATUS
- Publication number 20090115674
- Publication date May 7, 2009
- Shigeyuki Fujieda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SURFACE-MOUNT ANTENNA AND ANTENNA DEVICE
- Publication number 20090109106
- Publication date Apr 30, 2009
- Nobuhito Tsubaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ANTENNA STRUCTURE AND RADIO COMMUNICATION DEVICE USING THE SAME
- Publication number 20090040120
- Publication date Feb 12, 2009
- Murata Manufacturing Co., Ltd.
- Nobuhito Tsubaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ANTENNA DEVICE AND WIRELESS COMMUNICATION APPARATUS
- Publication number 20080079642
- Publication date Apr 3, 2008
- Murata Manufacturing Co., Ltd.
- Kenichi Ishizuka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ANTENNA AND WIRELESS COMMUNICATION DEVICE
- Publication number 20070268191
- Publication date Nov 22, 2007
- Murata Manufacturing Co., Ltd.
- Kenichi Ishizuka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Antenna and portable radio communication apparatus
- Publication number 20070188383
- Publication date Aug 16, 2007
- Murata Manufacturing Co., Ltd.
- Kengo Onaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Antenna structure and communication apparatus including the same
- Publication number 20070115177
- Publication date May 24, 2007
- Kazunari Kawahata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COIL ANTENNA STRUCTURE AND PORTABLE ELECTRONIC APPARATUS
- Publication number 20070052600
- Publication date Mar 8, 2007
- Murata Manufacturing Co., Ltd.
- Gaku KAMITANI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ANTENNA DEVICE AND RADIO COMMUNICATION APPARATUS USING THE SAME
- Publication number 20060293097
- Publication date Dec 28, 2006
- Murata Manufacturing Co., Ltd.
- Mie SHIMIZU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Antenna and radio communication apparatus
- Publication number 20050243001
- Publication date Nov 3, 2005
- Akira Miyata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Antenna structure and communication apparatus including the same
- Publication number 20040085248
- Publication date May 6, 2004
- Murata Manufacturing Co., Ltd.
- Kengo Onaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Surface mount antenna, antenna device using the same, and communica...
- Publication number 20040085245
- Publication date May 6, 2004
- Murata Manufacturing Co., Ltd.
- Akira Miyata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Antenna unit and communication device including same
- Publication number 20040036653
- Publication date Feb 26, 2004
- Murata Manufacturing Co., Ltd.
- Takashi Ishihara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Multi-resonance antenna
- Publication number 20040027287
- Publication date Feb 12, 2004
- Kengo Onaka
- H01 - BASIC ELECTRIC ELEMENTS

Kazunari Kawahata

Person

Patents Grantslast 30 patents

Communication device

Object shape detection apparatus, vehicle including the same, and o...

Communication module

Luneburg lens antenna device

Luneburg lens antenna device

Antenna device including patch array antenna and conductive metal m...

MEMS module, variable reactance circuit and antenna device

Antenna apparatus and radio communication apparatus

Antenna device and wireless communication apparatus

Antenna device and wireless communication apparatus

Antenna device and wireless communication apparatus

Surface-mount antenna and antenna device

Antenna device and radio communication apparatus using the same

Coil antenna structure and portable electronic apparatus

Antenna device and wireless communication apparatus

Antenna structure and communication apparatus including the same

Antenna and wireless communication device

Antenna and radio communication apparatus

Surface mount antenna, antenna device using the same, and communica...

Antenna structure and communication apparatus including the same

Antenna unit and communication device including same

Multi-resonance antenna

Circularly polarized antenna apparatus and radio communication appa...

Antenna with an integral RF circuit, antenna module incorporating t...

Antenna-electrode structure and communication apparatus having the...

Antenna apparatus

Surface-mounted type antenna and communication device including the...

Surface-mounted antenna, method for adjusting and setting dual-reso...

Circularly polarized wave antenna and manufacturing method therefor

Surface mount antenna and communication device including the same

Patents Applicationslast 30 patents

MICRO LENS ARRAY ANTENNA AND RADAR DEVICE AND VEHICLE HAVING MICRO...

COMMUNICATION DEVICE

ANTENNA DEVICE AND COMMUNICATION DEVICE

COMMUNICATION MODULE

OBJECT SHAPE DETECTION APPARATUS, VEHICLE INCLUDING THE SAME, AND O...

ANTENNA APPARATUS, ANTENNA MODULE, AND WIRELESS APPARATUS

LUNEBURG LENS ANTENNA DEVICE

LUNEBURG LENS ANTENNA DEVICE

ANTENNA DEVICE

MEMS MODULE, VARIABLE REACTANCE CIRCUIT AND ANTENNA DEVICE

FREQUENCY-VARIABLE CIRCUIT AND MULTI-BAND ANTENNA DEVICE

ANTENNA MODULE

ANTENNA DEVICE AND WIRELESS COMMUNICATION DEVICE

ANTENNA APPARATUS AND RADIO COMMUNICATION APPARATUS

ANTENNA DEVICE AND WIRELESS COMMUNICATION APPARATUS

ANTENNA DEVICE AND WIRELESS COMMUNICATION APPARATUS

ANTENNA DEVICE AND WIRELESS COMMUNICATION APPARATUS

SURFACE-MOUNT ANTENNA AND ANTENNA DEVICE

ANTENNA STRUCTURE AND RADIO COMMUNICATION DEVICE USING THE SAME

ANTENNA DEVICE AND WIRELESS COMMUNICATION APPARATUS

ANTENNA AND WIRELESS COMMUNICATION DEVICE

Antenna and portable radio communication apparatus

Antenna structure and communication apparatus including the same

COIL ANTENNA STRUCTURE AND PORTABLE ELECTRONIC APPARATUS

ANTENNA DEVICE AND RADIO COMMUNICATION APPARATUS USING THE SAME

Antenna and radio communication apparatus

Antenna structure and communication apparatus including the same

Surface mount antenna, antenna device using the same, and communica...

Antenna unit and communication device including same

Multi-resonance antenna