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Mamoru Yasuda
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Kobe, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Sound detecting mechanism
Patent number
7,570,773
Issue date
Aug 4, 2009
Hosiden Corporation
Yoshiaki Ohbayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Vibration sensor
Patent number
7,430,915
Issue date
Oct 7, 2008
Hosiden Corporation
Mamoru Yasuda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Sound detecting mechanism
Patent number
7,386,136
Issue date
Jun 10, 2008
Hosiden Corporation
Yoshiaki Ohbayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Electret-condenser microphone
Patent number
7,352,873
Issue date
Apr 1, 2008
Hosiden Corporation
Yasuhiro Shigeno
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Manufacturing method of acoustic sensor
Patent number
7,204,009
Issue date
Apr 17, 2007
Hosiden Electronics Co., Ltd.
Takao Kawamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Manufacturing method of acoustic sensor
Patent number
7,080,442
Issue date
Jul 25, 2006
Hosiden Electronics Co., Ltd.
Takao Kawamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Semiconductor electret capacitor microphone
Patent number
6,870,938
Issue date
Mar 22, 2005
Mitsubishi Denki Kabushiki Kaisha
Takanobu Takeuchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Semiconductor device
Patent number
6,566,728
Issue date
May 20, 2003
Sanyo Electric Co., LTD
Shigeaki Okawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Semiconductor device and semiconductor electret condenser microphone
Patent number
6,479,878
Issue date
Nov 12, 2002
Sanyo Electric Co., LTD
Shigeaki Okawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of producing semiconductor electret condenser microphone
Patent number
6,420,203
Issue date
Jul 16, 2002
Sanyo Electric Co., LTD
Shigeaki Okawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Semiconductor device
Patent number
6,417,560
Issue date
Jul 9, 2002
Sanyo Electric Co., LTD
Shigeaki Okawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Electret condenser microphone unit
Patent number
5,272,758
Issue date
Dec 21, 1993
Hosiden Corporation
Shuzo Isogami
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of fabricating the diaphragm unit of a condenser microphone...
Patent number
5,038,459
Issue date
Aug 13, 1991
Hosiden Electronics Co., Ltd.
Mamoru Yasuda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Diaphragm unit of a condenser microphone, a method of fabricating t...
Patent number
5,014,322
Issue date
May 7, 1991
Hosiden Electronics Co., Ltd.
Mamoru Yasuda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Condenser microphone
Patent number
4,392,025
Issue date
Jul 5, 1983
Hosiden Electronics Co., Ltd.
Junichi Tamamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Vibration sensor
Publication number
20070107521
Publication date
May 17, 2007
HOSIDEN CORPORATION
Mamoru Yasuda
G01 - MEASURING TESTING
Information
Patent Application
Sound detecting mechanism
Publication number
20060233400
Publication date
Oct 19, 2006
HOSIDEN CORPORATION
Yoshiaki Ohbayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Electret capacitor microphone
Publication number
20060205244
Publication date
Sep 14, 2006
Yasuhiro Shigeno
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Vibration sensor
Publication number
20060150739
Publication date
Jul 13, 2006
HOSIDEN CORPORATION
Mamoru Yasuda
G01 - MEASURING TESTING
Information
Patent Application
Sound detecting mechanism
Publication number
20060145570
Publication date
Jul 6, 2006
Hoisden Corporation
Yoshiaki Ohbayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Vibration sensor
Publication number
20060137455
Publication date
Jun 29, 2006
HOSIDEN CORPORATION
Mamoru Yasuda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Sound detecting mechanism and process for manufacturing the same
Publication number
20060050905
Publication date
Mar 9, 2006
HOSIDEN CORPORATION
Yoshiaki Ohbayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Manufacturing method of acoustic sensor
Publication number
20050251995
Publication date
Nov 17, 2005
Hosiden Electronics Co., Ltd.
Takao Kawamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Piezoelectric vibration sensor
Publication number
20050066736
Publication date
Mar 31, 2005
Yoshiaki Ohbayashi
G01 - MEASURING TESTING
Information
Patent Application
Acoustic sensor, its manufacturing method, and semiconductor electr...
Publication number
20030035558
Publication date
Feb 20, 2003
Hosiden Electronics Co., Ltd.
Takao Kawamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Semiconductor electret capacitor microphone
Publication number
20020172384
Publication date
Nov 21, 2002
Takanobu Takeuchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Semiconductor device, semiconductor electret condenser microphone,...
Publication number
20020047173
Publication date
Apr 25, 2002
Shigeaki Okawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE