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Hideyuki Nakajima
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Kamisu, JP
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last 30 patents
Information
Patent Grant
Carbon fibers for reinforcement of cement and cement composite mate...
Patent number
5,855,663
Issue date
Jan 5, 1999
Petoca, Ltd.
Katsumi Takano
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Negative electrode for use in lithium secondary battery and process...
Patent number
5,795,678
Issue date
Aug 18, 1998
Kabushiki Kaisha Toshiba
Norio Takami
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Negative electrode material for use in lithium-ion secondary batter...
Patent number
5,792,577
Issue date
Aug 11, 1998
Petoca, Ltd.
Hiroshi Ejiri
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Carbon fibers for reinforcement of cement and cement composite mate...
Patent number
5,686,181
Issue date
Nov 11, 1997
Petoca, Ltd.
Katsumi Takano
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Fiber reinforced plastic pipe and process for producing the same
Patent number
5,629,062
Issue date
May 13, 1997
Petoca, Ltd.
Hiroshi Ejiri
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Process for producing pitch based activated carbon fibers and carbo...
Patent number
5,356,574
Issue date
Oct 18, 1994
Petoca, Ltd.
Toshio Tamaki
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Method for producing pitch-based carbon fibers
Patent number
5,256,343
Issue date
Oct 26, 1993
Petoca Ltd.
Yoshinori Suto
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Three dimensional woven fabrics of pitch-derived carbon fibers
Patent number
4,975,262
Issue date
Dec 4, 1990
Petoca, Ltd.
Yoshinori Suto
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
High strength high modulus carbon fibers
Patent number
4,913,889
Issue date
Apr 3, 1990
Kashima Oil Company
Yasuyuki Takai
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Method for producing high strength, high modulus mesophase-pitch ba...
Patent number
4,898,723
Issue date
Feb 6, 1990
Petoca Ltd.
Yoshinori Suto
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Method for producing high strength, high modulus mesophase-pitch-ba...
Patent number
4,892,722
Issue date
Jan 9, 1990
Petoca Ltd.
Yoshinori Suto
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING