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Yoshinobu Kitayama
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Kanagawa, JP
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last 30 patents
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Patent Grant
Transmission cable termination box, and transmission cable installa...
Patent number
5,332,165
Issue date
Jul 26, 1994
Sumitomo Electric Industries, Ltd.
Hiroaki Sano
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Optical fiber cable including plural multifiber optical units
Patent number
5,233,678
Issue date
Aug 3, 1993
Sumitomo Electric Industries, Ltd.
Wataru Katurashima
G02 - OPTICS
Information
Patent Grant
Composite fiber-optic overhead ground wire
Patent number
4,865,415
Issue date
Sep 12, 1989
Sumitomo Electric Industries, Ltd.
Yoshinobu Kitayama
G02 - OPTICS
Information
Patent Grant
Composite overhead stranded conductor
Patent number
4,840,453
Issue date
Jun 20, 1989
Sumitomo Electric Industries, Ltd.
Yoshinobu Kitayama
G02 - OPTICS
Information
Patent Grant
Composite overhead transmission cable
Patent number
4,787,707
Issue date
Nov 29, 1988
Sumitomo Electric Industries, Ltd.
Yoshinobu Kitayama
G02 - OPTICS
Information
Patent Grant
Composite overhead stranded conductor having a filler between optic...
Patent number
4,775,213
Issue date
Oct 4, 1988
Sumitomo Electric Industries, Ltd.
Yoshinobu Kitayama
G02 - OPTICS
Information
Patent Grant
Composite overhead stranded conductor
Patent number
4,671,610
Issue date
Jun 9, 1987
Sumitomo Electric Industries, Ltd.
Yoshinobu Kitayama
G02 - OPTICS