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Yoshihiko Isobe
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Yamaguchi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Metal laminated substrate for use as an oxide superconducting wire...
Patent number
8,815,777
Issue date
Aug 26, 2014
Toyo Kohan Co., Ltd.
Hironao Okayama
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Closed battery
Patent number
6,737,187
Issue date
May 18, 2004
Toyo Kohan Co., Ltd.
Akiyoshi Takada
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
Explosion-proof safety valve assemblage for a secondary battery
Patent number
6,497,978
Issue date
Dec 24, 2002
Toyo Kohan Co., Ltd.
Akiyoshi Takada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Hermetically sealed cell
Patent number
6,440,599
Issue date
Aug 27, 2002
Toyo Kohan Co., Ltd.
Akiyoshi Takada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Closed battery and closing member
Patent number
6,423,440
Issue date
Jul 23, 2002
Toyo Kohan Co., Ltd.
Akiyoshi Takada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Hermetically sealed cell and sealing body
Patent number
6,303,246
Issue date
Oct 16, 2001
Toyo Kohan Co., Ltd.
Akiyoshi Takada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Safety valve element for capacitor and capacitor case lid with safe...
Patent number
6,257,267
Issue date
Jul 10, 2001
Toyo Kohan Co., Ltd.
Kinji Saijo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Safety valve element for battery and battery case cap with safety v...
Patent number
6,210,825
Issue date
Apr 3, 2001
Toyo Kohan., Ltd.
Akiyoshi Takada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cladding material
Patent number
6,150,037
Issue date
Nov 21, 2000
Toyo Kohan Co., Ltd.
Kinji Saijo
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
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Patent Application
METAL LAMINATED SUBSTRATE FOR USE AS AN OXIDE SUPERCONDUCTING WIRE...
Publication number
20120208703
Publication date
Aug 16, 2012
Sumitomo Electric Industries, Ltd.
Hironao Okayama
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Closed battery
Publication number
20020081482
Publication date
Jun 27, 2002
TOYO KOHAN CO.LTD
Akiyoshi Takada
H01 - BASIC ELECTRIC ELEMENTS