Yukio Shibuya

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Tokyo, JP

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Patents Grantslast 30 patents

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Light source system with uniforming device for optical fiber type l...
- Patent number 4,997,259
- Issue date Mar 5, 1991
- Mitsubishi Rayon Co., Ltd.
- Kiyoshi Ichimura
- G02 - OPTICS
Information Patent Grant
Optical fiber ribbon end-structure
- Patent number 4,984,859
- Issue date Jan 15, 1991
- Mitsubishi Rayon Co., Ltd.
- Takashi Fujigaki
- G02 - OPTICS
Information Patent Grant
Working equipment for roughening the side of optical fiber
- Patent number 4,929,169
- Issue date May 29, 1990
- Mitsubishi Rayon Co.
- Takashi Fujigaki
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL