Osamu Akutsu

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Fujisawa-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical information recording medium
- Patent number 7,180,848
- Issue date Feb 20, 2007
- Victor Company of Japan, Ltd.
- Osamu Akutsu
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium
- Patent number 7,096,479
- Issue date Aug 22, 2006
- Victor Company of Japan, Ltd.
- Osamu Akutsu
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Optical information recording medium
- Publication number 20040194122
- Publication date Sep 30, 2004
- Victor Company of Japan, Ltd.
- Osamu Akutsu
- G11 - INFORMATION STORAGE
Information Patent Application
Optical information recording medium
- Publication number 20040142277
- Publication date Jul 22, 2004
- JVC (VICTOR COMPANY OF JAPAN, LTD.)
- Osamu Akutsu
- G11 - INFORMATION STORAGE
Information Patent Application
Manufacturing method of optical disc and optical disc thereby
- Publication number 20040002018
- Publication date Jan 1, 2004
- Kenji Oishi
- G11 - INFORMATION STORAGE