Tsutomu Kihara

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Multifibrous carbon fiber and utilization thereof
- Patent number 6,660,383
- Issue date Dec 9, 2003
- Nippon Mitsubishi Oil Corporation
- Masahiro Toyoda
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Process for manufacturing pitch-type carbon fiber
- Patent number 5,968,435
- Issue date Oct 19, 1999
- Nippon Steel Corporation
- Osamu Kato
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for producing pitch-based carbon fibers superior in compres...
- Patent number 5,470,558
- Issue date Nov 28, 1995
- Nippon Oil Company, Limited
- Hiroaki Takashima
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for preparing carbon/carbon composite
- Patent number 5,192,471
- Issue date Mar 9, 1993
- Nippon Oil Company, Limited
- Seiichi Uemura
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for preparing carbon/carbon composite
- Patent number 5,186,873
- Issue date Feb 16, 1993
- Nippon Oil Company, Limited
- Seiichi Uemura
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for preparing carbon/carbon composite
- Patent number 5,181,979
- Issue date Jan 26, 1993
- Nippon Oil Company, Limited
- Seiichi Uemura
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
Multifibrous carbon fiber and utilization thereof
- Publication number 20010051272
- Publication date Dec 13, 2001
- Nippon Mitsubishi Oil Corporation
- Masahiro Toyoda
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING