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Tetsuo Kawasaki
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Osaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Elastic wave sensor
Patent number
9,322,809
Issue date
Apr 26, 2016
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Tomoya Komatsu
G01 - MEASURING TESTING
Information
Patent Grant
Electronic part and electronic equipment with electronic part
Patent number
7,855,619
Issue date
Dec 21, 2010
Panasonic Corporation
Ryouichi Takayama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Electronic part with a comb electrode and protective film and elect...
Patent number
7,538,636
Issue date
May 26, 2009
Panasonic Corporation
Ryouichi Takayama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Surface acoustic wave device, and mobile communication device and s...
Patent number
7,109,828
Issue date
Sep 19, 2006
Matsushita Electric Industrial Co., Ltd.
Ryoichi Takayama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Piezoelectric vibrator ladder-type filter using piezoeletric vibrat...
Patent number
6,992,424
Issue date
Jan 31, 2006
Matsushita Electric Industrial Co., Ltd.
Yukinori Sasaki
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Surface acoustic wave filter utilizing a layer for preventing grain...
Patent number
6,909,341
Issue date
Jun 21, 2005
Matsushita Electric Industrial Co., Ltd.
Ryoichi Takayama
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Antenna duplexer
Patent number
6,891,449
Issue date
May 10, 2005
Matsushita Electric Industrial Co., Ltd.
Ryoichi Takayama
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
ELASTIC WAVE SENSOR
Publication number
20140144237
Publication date
May 29, 2014
Tomoya Komatsu
G01 - MEASURING TESTING
Information
Patent Application
ELECTRONIC PART AND ELECTRONIC EQUIPMENT WITH ELECTRONIC PART
Publication number
20090115554
Publication date
May 7, 2009
Ryoichi Takayama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Angular velocity sensor and manufacturing method thereof
Publication number
20090021119
Publication date
Jan 22, 2009
Masahiro Yasumi
G01 - MEASURING TESTING
Information
Patent Application
Electronic component and electronic apparatus using this electronic...
Publication number
20060158800
Publication date
Jul 20, 2006
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
Ryouichi Takayama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Surface acoustic wave device, and mobile communication device and s...
Publication number
20040174233
Publication date
Sep 9, 2004
Ryoichi Takayama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Piezoelectric vibrator ladder-type filter using piezoeletric vibrat...
Publication number
20040090147
Publication date
May 13, 2004
Yukinori Sasaki
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Surface acoustic wave filter
Publication number
20030174028
Publication date
Sep 18, 2003
Ryoichi Takayama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Antenna duplexer
Publication number
20020140519
Publication date
Oct 3, 2002
Ryoichi Takayama
H03 - BASIC ELECTRONIC CIRCUITRY