Keiji Hirai

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Editing system, computer, timing notice apparatus, computer program...
- Patent number 8,200,873
- Issue date Jun 12, 2012
- Sony Corporation
- Koji Tsukimori
- G11 - INFORMATION STORAGE
Information Patent Grant
Editing system and method and distribution medium
- Patent number 7,266,286
- Issue date Sep 4, 2007
- Sony Corporation
- Seiji Tanizawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Editing system and method and distribution medium
- Patent number 6,356,701
- Issue date Mar 12, 2002
- Sony Corporation
- Seiji Tanizawa
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Editing system
- Publication number 20040199708
- Publication date Oct 7, 2004
- Koji Tsukimori
- G11 - INFORMATION STORAGE
Information Patent Application
Editing system and method and distribution medium
- Publication number 20020031334
- Publication date Mar 14, 2002
- Sony Corporation
- Seiji Tanizawa
- G11 - INFORMATION STORAGE