Akira Mutoh

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Sakai, JP

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Patents Grantslast 30 patents

Information Patent Grant
Code conversion method and apparatus, code recording medium, code r...
- Patent number RE39771
- Issue date Aug 14, 2007
- Matsushita Electric Industrial Co., Ltd.
- Yoshiharu Kobayashi
- 341 - Coded data generation or conversion
Information Patent Grant
Optical disc having oscillating lands and grooves
- Patent number 6,373,815
- Issue date Apr 16, 2002
- Matsushita Electric Industrial Co., Ltd.
- Takashi Ishida
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc having oscillating land and grooves
- Patent number 6,167,022
- Issue date Dec 26, 2000
- Matsushita Electric Industrial Co., Ltd.
- Takashi Ishida
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc having oscillating lands and grooves
- Patent number 6,137,768
- Issue date Oct 24, 2000
- Matsushita Electric Industrial Co., Ltd.
- Takashi Ishida
- G11 - INFORMATION STORAGE
Information Patent Grant
Code conversion method and apparatus, code recording medium, code r...
- Patent number 5,898,394
- Issue date Apr 27, 1999
- Matsushita Electric Industrial Co., Ltd.
- Yoshiharu Kobayashi
- G11 - INFORMATION STORAGE