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Kazuyoshi Koike
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Otake, JP
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last 30 patents
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Patent Grant
Method and equipment for detecting pinholes of hollow filament
Patent number
4,711,121
Issue date
Dec 8, 1987
Mitsubishi Rayon Co., Ltd.
Yasuteru Tahara
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Inspection apparatus for optical fiber assembly
Patent number
4,639,130
Issue date
Jan 27, 1987
Mitsubishi Rayon Co., Ltd.
Kazuyoshi Koike
G01 - MEASURING TESTING
Information
Patent Grant
Method of detecting pinholes in hollow fibers
Patent number
4,357,826
Issue date
Nov 9, 1982
Mitsubishi Rayon Company, Ltd.
Yasuteru Tahara
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
ROD LENS ARRAY AND METHOD OF MANUFACTURING SAME
Publication number
20150285961
Publication date
Oct 8, 2015
Mitsubishi Rayon Co., Ltd.
Kazuyoshi KOIKE
G02 - OPTICS