Shigeru Takahara

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Kamakura, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical recording media
- Patent number 5,196,231
- Issue date Mar 23, 1993
- Mitsui Toatsu Chemicals, Inc.
- Sumio Hirose
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording media
- Patent number 5,132,153
- Issue date Jul 21, 1992
- Mitsui Toatsu Chemicals, Inc.
- Sumio Hirose
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium and process for fabricating the same
- Patent number 4,977,064
- Issue date Dec 11, 1990
- Mitsui Toatsu Chemicals, Incorporated
- Hiroshi Sukawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium
- Patent number 4,859,569
- Issue date Aug 22, 1989
- Mitsui Toatsu Chemicals, Incorporated
- Sumio Hirose
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium having a reflective recording layer includ...
- Patent number 4,719,613
- Issue date Jan 12, 1988
- Mitsui Toatsu Chemicals, Inc.
- Sumio Hirose
- G11 - INFORMATION STORAGE