Masashi Okamoto

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Hiroshima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Plastic optical fiber, optical fiber cable, plugged optical fiber c...
- Patent number 6,871,000
- Issue date Mar 22, 2005
- Mitsubishi Rayon Co., Ltd.
- Yoshinori Fukuba
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Multifilament type plastic optical fiber endoscope
- Patent number 5,127,079
- Issue date Jun 30, 1992
- Mitsubishi Rayon Company Ltd.
- Fumio Suzuki
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Apparatus for preparation of a sheet-shaped photoconductor
- Patent number 4,980,012
- Issue date Dec 25, 1990
- Mitsubishi Rayon Company Ltd.
- Yoshiro Nieda
- G02 - OPTICS
Information Patent Grant
Hollow-fiber filter module
- Patent number 4,781,832
- Issue date Nov 1, 1988
- Mitsubishi Rayon Co., Ltd.
- Tohru Takemura
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Hollow-fiber filter module with filtrate conduit
- Patent number 4,720,342
- Issue date Jan 19, 1988
- Mitsubishi Rayon Co., Ltd.
- Tohru Takemura
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Plastic optical fiber, optical fiber cable, plugged optical fiber c...
- Publication number 20050147368
- Publication date Jul 7, 2005
- Mitsubishi Rayon Co., Ltd.
- Yoshinori Fukuba
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL