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Hitoshi Ohmura
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Yamaguchi-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Surface-treated steel plate for battery case and battery case
Patent number
8,043,741
Issue date
Oct 25, 2011
Toyo Kohan Co., Ltd.
Hitoshi Ohmura
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Surface treated steel sheet for battery case, battery case and batt...
Patent number
7,923,145
Issue date
Apr 12, 2011
Toyo Kohan Co., Ltd.
Hitoshi Ohmura
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Surface-treated steel sheet for battery container, a battery contai...
Patent number
7,150,939
Issue date
Dec 19, 2006
Toyo Kohan Co., Ltd.
Hitoshi Ohmura
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Surface-treated steel plate for battery case and battery case
Patent number
6,979,515
Issue date
Dec 27, 2005
Toyo Kohan Co., Ltd.
Hitoshi Ohmura
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Surface-treated steel sheet for battery case, method of production...
Patent number
6,692,869
Issue date
Feb 17, 2004
Toyo Kohan Co., Ltd.
Hitoshi Ohmura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Surface-treated steel sheet for battery case, battery case comprisi...
Patent number
6,551,721
Issue date
Apr 22, 2003
Toyo Kohan Co., Ltd.
Hitoshi Ohmura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Surface-treated steel sheet having lowered contact resistance and c...
Patent number
6,528,181
Issue date
Mar 4, 2003
Toyo Kohan Co., Ltd.
Keiji Yamane
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Battery container with surface treated steel sheet
Patent number
6,485,863
Issue date
Nov 26, 2002
Toyo Kohan Co., Ltd.
Hitoshi Ohmura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Surface-treated steel plate for battery case, battery case and batt...
Patent number
6,270,922
Issue date
Aug 7, 2001
Toyo Kohan Co., Ltd.
Hitoshi Ohmura
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Surface-treated steel sheet for battery container
Patent number
6,261,718
Issue date
Jul 17, 2001
Toyo Kohan Co., Ltd.
Hitoshi Ohmura
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Surface-treated steel plate having low contact resistance and conne...
Patent number
6,248,456
Issue date
Jun 19, 2001
Toyo Kohan Co., Ltd.
Keiji Yamane
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Surface treated steel sheet for battery containers, a battery conta...
Patent number
6,136,107
Issue date
Oct 24, 2000
Toyo Kohan Co., Ltd.
Hitoshi Ohmura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Battery case having surface-treated steel sheet
Patent number
6,087,040
Issue date
Jul 11, 2000
Toyo Kohan Co., Ltd.
Hitoshi Ohmura
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Nickelled steel sheet proofed against tight adhesion during anneali...
Patent number
6,022,631
Issue date
Feb 8, 2000
Toyo Kohan Co. Ltd.
Hitoshi Ohmura
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Surface treated steel sheet for battery containers, a battery conta...
Patent number
5,993,994
Issue date
Nov 30, 1999
Toyo Kohan Co., Ltd.
Hitoshi Ohmura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Coated metal sheet for battery containers, battery containers and b...
Patent number
5,968,682
Issue date
Oct 19, 1999
Toyo Kohan Co., Ltd.
Hirokazu Moriyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Coated metal sheet for battery containers, battery containers and b...
Patent number
5,792,553
Issue date
Aug 11, 1998
Toyo Kohan Co., Ltd.
Hirokazu Moriyama
B32 - LAYERED PRODUCTS
Information
Patent Grant
Method for manufacturing a corrosion resistant nickel plating steel...
Patent number
5,679,181
Issue date
Oct 21, 1997
Toyo Kohan Co., Ltd.
Hitoshi Ohmura
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Corrosion resistant nickel plating steel sheet or strip and manufac...
Patent number
5,587,248
Issue date
Dec 24, 1996
Toyo Kohan Co., Ltd.
Hitoshi Ohmura
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Patents Applications
last 30 patents
Information
Patent Application
SURFACE TREATED STEEL SHEET FOR BATTERY CASE, BATTERY CASE AND BATT...
Publication number
20140147735
Publication date
May 29, 2014
TOYO KOHAN CO., LTD
Hitoshi OHMURA
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
SURFACE TREATED STEEL SHEET FOR BATTERY CASE, BATTERY CASE AND BATT...
Publication number
20120231329
Publication date
Sep 13, 2012
Toyo Kohan Co., Ltd
Hitoshi OHMURA
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
SURFACE TREATED STEEL SHEET FOR BATTERY CASE, BATTERY CASE AND BATT...
Publication number
20110159355
Publication date
Jun 30, 2011
Toyo Kohan Co., Ltd
Hitoshi OHMURA
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
SURFACE TREATED STEEL SHEET FOR BATTERY CASE, BATTERY CASE AND BATT...
Publication number
20080305392
Publication date
Dec 11, 2008
Toyo Kohan Co., Ltd
Hitoshi OHMURA
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Surface-Treated Steel Sheet for Battery Cases, a Battery Case and a...
Publication number
20080292957
Publication date
Nov 27, 2008
TOYO KOHAN CO., LTD
Tatsuo Tomomori
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Surface treated steel plate for battery cases, its manufacturing me...
Publication number
20060240274
Publication date
Oct 26, 2006
Toyo Kohan Co. Ltd.
Hitoshi Ohmura
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Surface treated steel plate for battery cases and battery case usin...
Publication number
20060105234
Publication date
May 18, 2006
TOYO KOHAN CO.LTD
Hitoshi Ohmura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Surface-treated steel plate for battery case and battery case
Publication number
20050112459
Publication date
May 26, 2005
TOYO KOHAN CO., LTD
Hitoshi Ohmura
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Surface treated steel sheet for battery case, battery case and batt...
Publication number
20050089752
Publication date
Apr 28, 2005
Tokyo Kohan Co., Ltd
Hitoshi Ohmura
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Surface-treated steel plate for battery case and battery case
Publication number
20040005499
Publication date
Jan 8, 2004
Hitoshi Ohmura
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Surface-treated steel sheet for battery container, a battery contai...
Publication number
20030077510
Publication date
Apr 24, 2003
TOYO KOHAN CO., LTD
Hitoshi Ohmura
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Battery container and surface treated steel sheet for battery conta...
Publication number
20010006748
Publication date
Jul 5, 2001
TOYO KOHAN CO., LTD
Hitoshi Ohmura
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR