Keiichi Tanaka

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Tochigi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Tape-like optical fiber core, production method therefor, tape core...
- Patent number 8,811,783
- Issue date Aug 19, 2014
- Sumitomo Electric Industries, Ltd.
- Kousuke Tanaka
- G02 - OPTICS
Information Patent Grant
Nonaqueous electrolyte battery sealed in a film case
- Patent number 6,475,668
- Issue date Nov 5, 2002
- Sumitomo Electric Industries, Ltd.
- Takehiro Hosokawa
- B32 - LAYERED PRODUCTS
Information Patent Grant
Member for lead
- Patent number 6,249,042
- Issue date Jun 19, 2001
- Sumitomo Electric Industries Ltd.
- Shin Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Non-aqueous electrolyte battery using a sealing bag comprising heat...
- Patent number 6,245,456
- Issue date Jun 12, 2001
- Sumitomo Electric Industries, Ltd.
- Yutaka Fukuda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Non-aqueous electrolyte cell
- Patent number 6,004,693
- Issue date Dec 21, 1999
- Sumitomo Electric Industries, Ltd.
- Yutaka Fukuda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nonaqueous electrolyte battery
- Patent number 6,001,505
- Issue date Dec 14, 1999
- Sumitomo Electric Industries, Ltd.
- Yutaka Fukuda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Shield flat cable
- Patent number 5,455,383
- Issue date Oct 3, 1995
- Sumitomo Electric Industries, Ltd.
- Keiichi Tanaka
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Tape-like optical fiber core, production method therefor, tape core...
- Publication number 20050201697
- Publication date Sep 15, 2005
- Kousuke Tanaka
- G02 - OPTICS
Information Patent Application
Electroluminescence display
- Publication number 20040104673
- Publication date Jun 3, 2004
- Takehiro Hosokawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Power storage device and a portable apparatus
- Publication number 20030215709
- Publication date Nov 20, 2003
- Sumitomo Electric Industries, Ltd.
- Takehiro Hosokawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Nonaqueous electrolyte battery
- Publication number 20020164525
- Publication date Nov 7, 2002
- Takehiro Hosokawa
- B32 - LAYERED PRODUCTS