Hiroaki Kawamura

Person

Yamaguchi-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of forming protective coating on cell safety valve element,...
- Patent number 6,818,342
- Issue date Nov 16, 2004
- Toyo Kohan Co., Ltd.
- Hiroaki Okamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Safety device for sealed battery and sealed battery using it
- Patent number 6,632,559
- Issue date Oct 14, 2003
- Toyo Kohan Co., Ltd.
- Hiroaki Kawamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Enclosed cell and sealer
- Patent number 6,531,242
- Issue date Mar 11, 2003
- Toyo Kohan, Ltd.
- Yoshiyuki Sugimoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for making a tin-plated steel sheet with a chromium bilayer...
- Patent number 5,298,149
- Issue date Mar 29, 1994
- Toyo Kohan Co., Ltd.
- Hiroaki Kawamura
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Tin-plated steel sheet with a chromium bilayer and a copolyester re...
- Patent number 5,213,903
- Issue date May 25, 1993
- Toyo Kohan Co., Ltd.
- Hiroaki Kawamura
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Surface treated steel sheet for welded can material
- Patent number 4,816,348
- Issue date Mar 28, 1989
- Toyo Kohan Co., Ltd.
- Hiroaki Kawamura
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for producing a thin tin and zinc plated steel sheet
- Patent number 4,508,601
- Issue date Apr 2, 1985
- Toyo Kohan Co., Ltd.
- Tadashi Nemoto
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Steel sheet useful in forming foodstuff and beverage cans
- Patent number 4,145,263
- Issue date Mar 20, 1979
- Toyo Kohan Co., Ltd.
- Nobuyuki Tsutsui
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Steel sheet useful in forming foodstuff and beverage cans
- Patent number 4,113,580
- Issue date Sep 12, 1978
- Toyo Kohan Co., Ltd.
- Nobuyuki Tsutsui
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Patents Applicationslast 30 patents

Information Patent Application
Method of forming protective coating on cell safety valve element,...
- Publication number 20050084743
- Publication date Apr 21, 2005
- TOYO KOHAN CO., LTD
- Hiroaki Okamoto
- H01 - BASIC ELECTRIC ELEMENTS

Hiroaki Kawamura

Person

Patents Grantslast 30 patents

Method of forming protective coating on cell safety valve element,...

Safety device for sealed battery and sealed battery using it

Enclosed cell and sealer

Method for making a tin-plated steel sheet with a chromium bilayer...

Tin-plated steel sheet with a chromium bilayer and a copolyester re...

Surface treated steel sheet for welded can material

Process for producing a thin tin and zinc plated steel sheet

Steel sheet useful in forming foodstuff and beverage cans

Steel sheet useful in forming foodstuff and beverage cans

Patents Applicationslast 30 patents

Method of forming protective coating on cell safety valve element,...