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Toshimitsu Tamagawa
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Kyoto, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Semiconductor device capable of preventing erroneous operation attr...
Patent number
7,755,816
Issue date
Jul 13, 2010
Rohm Co., Ltd.
Nobuyuki Yamada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image reading device
Patent number
7,298,403
Issue date
Nov 20, 2007
Rohm Co., Ltd.
Toshimitsu Tamagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image reading device with reduced variations among signal levels
Patent number
7,102,678
Issue date
Sep 5, 2006
Rohm Co., Ltd.
Toshimitsu Tamagawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Image-sensing semiconductor device and image-sensing device
Patent number
6,452,151
Issue date
Sep 17, 2002
Rohm Co., Ltd.
Toshimitsu Tamagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication device
Patent number
6,154,298
Issue date
Nov 28, 2000
Rohm Co., Ltd.
Toshimitsu Tamagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Semiconductor device and photoelectric conversion device and scanne...
Publication number
20060261413
Publication date
Nov 23, 2006
Nobuyuki Yamada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Semiconductor device capable of preventing erroneous operation attr...
Publication number
20060226886
Publication date
Oct 12, 2006
Nobuyuki Yamada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Image reading device
Publication number
20030103152
Publication date
Jun 5, 2003
ROHM CO., LTD.
Toshimitsu Tamagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Image reading device
Publication number
20020044210
Publication date
Apr 18, 2002
Toshimitsu Tamagawa
H01 - BASIC ELECTRIC ELEMENTS