Koutaro Matsuura

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Tsuzuki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical recording medium
- Patent number 5,376,511
- Issue date Dec 27, 1994
- Masahiro Irie
- Fumio Tatezono
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Optical recording medium having a constant birefringent property an...
- Patent number 5,316,900
- Issue date May 31, 1994
- Sanyo Electric Co., Ltd.
- Tsuyoshi Tsujioka
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of recording and reproducing for optical recording medium
- Patent number 5,281,501
- Issue date Jan 25, 1994
- Irie; Masahiro
- Fumio Tatezono
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Magnetic recording medium having a magnetic thin film with both par...
- Patent number 5,173,370
- Issue date Dec 22, 1992
- Sanyo Electric Co., Ltd.
- Seiichiro Takahashi
- G11 - INFORMATION STORAGE