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Ryuji Murata
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Ohtake, JP
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last 30 patents
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Patent Grant
Distributed graded index type optical transmission plastic article...
Patent number
5,390,274
Issue date
Feb 14, 1995
Mitsubishi Rayon Company Ltd.
Nobuhiko Toyoda
G02 - OPTICS
Information
Patent Grant
Plastic cladding composition for silica or glass core optical fiber...
Patent number
5,238,974
Issue date
Aug 24, 1993
Mitsubishi Rayon Company Ltd.
Takashi Yamamoto
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Distributed refractive index type optical transmission plastic arti...
Patent number
5,175,786
Issue date
Dec 29, 1992
Mitsubishi Rayon Company Ltd.
Nobuhiko Toyoda
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Plastic cladding composition for plastic core optical fiber, and pl...
Patent number
5,022,737
Issue date
Jun 11, 1991
Mitsubishi Rayon Company Ltd.
Takashi Yamamoto
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Plastic optical fiber and process for producing the same
Patent number
4,798,445
Issue date
Jan 17, 1989
Misubishi Rayon Co., Ltd.
Takashi Yamamoto
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Plastic optical fibers
Patent number
4,762,392
Issue date
Aug 9, 1988
Mitsubishi Rayon Co., Ltd.
Takashi Yamamoto
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL