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Yasunori Kawamura
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Kyoto, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Ion implantation method
Patent number
8,921,240
Issue date
Dec 30, 2014
Nissin Ion Equipment Co., Ltd.
Yasunori Kawamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Charge pump circuit, LCD driver IC, and electronic appliance
Patent number
7,884,665
Issue date
Feb 8, 2011
Rohm Co., Ltd.
Koji Saikusa
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Comparator and AD conversion circuit having hysteresis circuit
Patent number
7,196,563
Issue date
Mar 27, 2007
Rohm Co., Ltd.
Hirofumi Yuki
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Digital-to-analog conversion multiple-format video encoder
Patent number
7,034,894
Issue date
Apr 25, 2006
Rohm Co., Ltd.
Yasunori Kawamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Semiconductor device having DAC channels for video signals
Patent number
6,989,779
Issue date
Jan 24, 2006
Rohm Co., Ltd.
Jun Sasaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Reference clock generation system and device
Patent number
6,703,876
Issue date
Mar 9, 2004
Rohm Co., Ltd.
Masayu Fujiwara
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Semiconductor device having DACs and method of testing such semicon...
Patent number
6,667,702
Issue date
Dec 23, 2003
Rohm Co., Ltd.
Jun Sasaki
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Semiconductor integrated circuit device with a stable operating int...
Patent number
6,486,572
Issue date
Nov 26, 2002
Rohm Co., Ltd.
Yasunori Kawamura
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Semiconductor integrated circuit device with a stable operating int...
Patent number
6,140,865
Issue date
Oct 31, 2000
Rohm Co., Ltd.
Yasunori Kawamura
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Scan converter for converting a video signal for a television receiver
Patent number
5,959,679
Issue date
Sep 28, 1999
Rohm Co. Ltd.
Yasunori Kawamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Clock generator for a video signal processing apparatus
Patent number
5,912,714
Issue date
Jun 15, 1999
Rohm Co., Ltd.
Yasunori Kawamura
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Automatic color control circuit having a control signal storing cap...
Patent number
5,532,829
Issue date
Jul 2, 1996
Rohm Co., Ltd.
Yasunori Kawamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Signal line changeover circuit with emitter followers
Patent number
5,412,482
Issue date
May 2, 1995
Rohm Co., Ltd.
Shinji Kamei
G11 - INFORMATION STORAGE
Information
Patent Grant
Color signal processing circuit for a video cassette recorder
Patent number
5,377,012
Issue date
Dec 27, 1994
Rohm Co., Ltd.
Shinji Kamei
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
ION IMPLANTATION METHOD
Publication number
20120244724
Publication date
Sep 27, 2012
NISSIN ION EQUIPMENT CO., LTD.
Yasunori Kawamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Charge Pump Circuit, LCD Driver IC, And Electronic Appliance
Publication number
20100176872
Publication date
Jul 15, 2010
Rohm Co., Ltd.
Koji Saikusa
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Comparator and AD conversion circuit having hysteresis circuit
Publication number
20050184762
Publication date
Aug 25, 2005
Hirofumi Yuki
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Semiconductor device having DACs and method of testing such semicon...
Publication number
20020180626
Publication date
Dec 5, 2002
ROHM CO., LTD.
Jun Sasaki
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Semiconductor device having DAC channels for video signals
Publication number
20020171768
Publication date
Nov 21, 2002
ROHM CO., LTD.
Jun Sasaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Reference clock generation system and device
Publication number
20020118069
Publication date
Aug 29, 2002
ROHM CO., LTD.
Masayu Fujiwara
H03 - BASIC ELECTRONIC CIRCUITRY