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Toshinori Wakami
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Kanagawa, JP
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last 30 patents
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Patent Grant
Optical fiber diffraction grating, a method of fabricating thereof...
Patent number
6,067,392
Issue date
May 23, 2000
Sumitomo Electric Industries, Ltd.
Toshinori Wakami
G02 - OPTICS
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Patent Grant
Security system utilizing loosely contained optical fiber
Patent number
5,416,467
Issue date
May 16, 1995
Sumitomo Electric Industries, Ltd.
Junichi Ohta
G08 - SIGNALLING