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Hiroshi Ejiri
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Kashima-gun, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Milled carbon fiber and process for producing the same
Patent number
6,528,036
Issue date
Mar 4, 2003
Kashima Oil Co., Ltd.
Yoshiyuki Nishimura
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Milled carbon fiber and process for producing the same
Patent number
6,303,095
Issue date
Oct 16, 2001
Petoca, Ltd.
Yoshiyuki Nishimura
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Surface graphitized carbon material and process for producing the same
Patent number
6,022,518
Issue date
Feb 8, 2000
Petoca, Ltd.
Yoshinori Yamazaki
C01 - INORGANIC CHEMISTRY
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
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
Patents Applications
last 30 patents
Information
Patent Application
Milled carbon fiber and process for producing the same
Publication number
20010051126
Publication date
Dec 13, 2001
PETOCA, LTD.
Yoshiyuki Nishimura
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING