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Furukawa Masamichi
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Hamamatsu, JP
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Patents Grants
last 30 patents
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Patent Grant
Digital data transmitting apparatus and receiving apparatus
Patent number
6,856,756
Issue date
Feb 15, 2005
Yamaha Corporation
Kazuyoshi Mochizuki
G11 - INFORMATION STORAGE
Information
Patent Grant
Digital recording apparatus and method
Patent number
6,370,319
Issue date
Apr 9, 2002
Yamaha Corporation
Seiji Matsumoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital copy control method, digital recording medium, digital reco...
Patent number
6,320,829
Issue date
Nov 20, 2001
Yamaha Corporation
Seiji Matsumoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus of reproducing digital data
Patent number
5,714,951
Issue date
Feb 3, 1998
Yamaha Corporation
Furukawa Masamichi
G11 - INFORMATION STORAGE
Information
Patent Grant
Display device for a compact disc player and a compact disc
Patent number
5,485,442
Issue date
Jan 16, 1996
Yamaha Corporation
Masamichi Furukawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Disc recording medium and data recording method
Patent number
5,315,578
Issue date
May 24, 1994
Yamaha Corporation
Masamichi Furukawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Display device for a compact disc player and a compact disc
Patent number
5,268,889
Issue date
Dec 7, 1993
Yamaha Corporation
Masamichi Furukawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Energy saving camera
Patent number
4,494,854
Issue date
Jan 22, 1985
Ricoh Company, Ltd.
Shigeru Yamaga
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Integrating circuit
Patent number
4,223,271
Issue date
Sep 16, 1980
Ricoh Company, Ltd.
Masamichi Furukawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Electronic shutter driving device for camera
Patent number
4,213,683
Issue date
Jul 22, 1980
Ricoh Company, Ltd.
Masamichi Furukawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY