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Seiki Aoyama
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Toyohashi-City, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Side collision detecting apparatus for vehicle
Patent number
8,006,797
Issue date
Aug 30, 2011
Denso Corporation
Seiki Aoyama
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Physical quantity sensor
Patent number
7,628,073
Issue date
Dec 8, 2009
Denso Corporation
Seiki Aoyama
G01 - MEASURING TESTING
Information
Patent Grant
Oscillator circuit having stable frequency
Patent number
7,129,798
Issue date
Oct 31, 2006
Denso Corporation
Seiki Aoyama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Switched-capacitor low-pass filter and semiconductor pressure senso...
Patent number
7,049,883
Issue date
May 23, 2006
Denso Corporation
Takanori Makino
G01 - MEASURING TESTING
Information
Patent Grant
Switched capacitor filter circuit and method of fabricating the same
Patent number
6,809,580
Issue date
Oct 26, 2004
Denso Corporation
Toshikazu Itakura
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Dynamic quantity sensor having movable and fixed electrodes with hi...
Patent number
6,508,126
Issue date
Jan 21, 2003
Denso Corporation
Minekazu Sakai
G01 - MEASURING TESTING
Information
Patent Grant
Capacitive physical quantity sensor
Patent number
6,483,322
Issue date
Nov 19, 2002
Denso Corporation
Seiki Aoyama
G01 - MEASURING TESTING
Information
Patent Grant
Semiconductor physical quantity sensor
Patent number
6,450,031
Issue date
Sep 17, 2002
Denso Corporation
Minekazu Sakai
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Grant
Method for manufacturing semiconductor dynamic quantity sensor
Patent number
6,423,563
Issue date
Jul 23, 2002
Denso Corporation
Tsuyoshi Fukada
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Grant
Method for manufacturing semiconductor dynamic quantity sensor
Patent number
6,287,885
Issue date
Sep 11, 2001
Denso Corporation
Hiroshi Muto
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Grant
Temperature-compensating amplification circuit and a position detec...
Patent number
6,252,395
Issue date
Jun 26, 2001
Denso Corporation
Seiki Aoyama
G01 - MEASURING TESTING
Information
Patent Grant
EPROM circuit with error correction
Patent number
6,201,762
Issue date
Mar 13, 2001
Denso Corporation
Shigenori Yamauchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Rotation detector using magnetoresistance element positioned in vic...
Patent number
6,104,186
Issue date
Aug 15, 2000
Denso Corporation
Toshitaka Yamada
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Magnetoresistive type position sensor having bias magnetic and magn...
Patent number
6,020,736
Issue date
Feb 1, 2000
Nippondenso Co., Ltd.
Seiki Aoyama
G01 - MEASURING TESTING
Information
Patent Grant
Compact structure of automatic gain control circuit
Patent number
5,854,572
Issue date
Dec 29, 1998
Denso Corporation
Seiki Aoyama
G01 - MEASURING TESTING
Information
Patent Grant
Magnetic gear rotation sensor
Patent number
5,841,276
Issue date
Nov 24, 1998
Nippondenso Co., Ltd.
Yasuaki Makino
G01 - MEASURING TESTING
Information
Patent Grant
Displacement detecting device
Patent number
5,656,936
Issue date
Aug 12, 1997
Nippondenso Co., Ltd.
Kenichi Ao
G01 - MEASURING TESTING
Information
Patent Grant
Magnetic detector having a bias magnet and magnetoresistive element...
Patent number
5,644,226
Issue date
Jul 1, 1997
Nippondenso Co., Ltd.
Seiki Aoyama
G01 - MEASURING TESTING
Information
Patent Grant
Magnetic detection device having a magnet including a stepped porti...
Patent number
5,637,995
Issue date
Jun 10, 1997
Nippondenso Co., Ltd.
Ichiro Izawa
G01 - MEASURING TESTING
Information
Patent Grant
Position detector including a reference position wherein the sensor...
Patent number
5,574,364
Issue date
Nov 12, 1996
Nippondenso Co., Ltd.
Kazuo Kajimoto
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Pulse phase difference encoding circuit
Patent number
5,534,809
Issue date
Jul 9, 1996
Nippondenso Co., Ltd.
Takamoto Watanabe
G01 - MEASURING TESTING
Information
Patent Grant
Physical quantity change detection device which detects change by d...
Patent number
5,525,899
Issue date
Jun 11, 1996
Nippondenso Co., Ltd.
Takamoto Watanabe
G01 - MEASURING TESTING
Information
Patent Grant
MRE sensor signal detector
Patent number
5,493,219
Issue date
Feb 20, 1996
Nippondenso Co., Ltd.
Yasuki Makino
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Side collision detecting apparatus for vehicle
Publication number
20090308166
Publication date
Dec 17, 2009
DENSO CORPORATION
Seiki Aoyama
B60 - VEHICLES IN GENERAL
Information
Patent Application
Physical quantity sensor
Publication number
20080216572
Publication date
Sep 11, 2008
DENSO CORPORATION
Seiki Aoyama
G01 - MEASURING TESTING
Information
Patent Application
Sensor device
Publication number
20060027026
Publication date
Feb 9, 2006
DENSO Corporation
Seiki Aoyama
G01 - MEASURING TESTING
Information
Patent Application
Switched-capacitor low-pass filter and semiconductor pressure senso...
Publication number
20040174209
Publication date
Sep 9, 2004
DENSO Corporation
Takanori Makino
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Oscillator circuit having stable frequency
Publication number
20040075507
Publication date
Apr 22, 2004
Seiki Aoyama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Switched capacitor filter circuit and method of fabricating the same
Publication number
20030197553
Publication date
Oct 23, 2003
Toshikazu Itakura
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Capacitive physical quantity sensor
Publication number
20020011108
Publication date
Jan 31, 2002
Seiki Aoyama
G01 - MEASURING TESTING
Information
Patent Application
Dynamic quantity sensor having movable and fixed electrodes with hi...
Publication number
20020011107
Publication date
Jan 31, 2002
Minekazu Sakai
G01 - MEASURING TESTING
Information
Patent Application
Method for manufacturing semiconductor dynamic quantity sensor
Publication number
20010029060
Publication date
Oct 11, 2001
DENSO Corporation
Tsuyoshi Fukada
B81 - MICRO-STRUCTURAL TECHNOLOGY