Tadahiro Tokumoto

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Battery can with cutting-edge portion higher than cutting start por...
- Patent number 8,202,646
- Issue date Jun 19, 2012
- Panasonic Corporation
- Toshiki Ishikawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Safety mechanism for rectangular battery and method of manufacturin...
- Patent number 6,964,690
- Issue date Nov 15, 2005
- Matsushita Electric Industrial Co., Ltd.
- Yoshio Goda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Square battery container, method of manufacturing the container, an...
- Patent number 6,946,221
- Issue date Sep 20, 2005
- Matsushita Electric Industrial Co., Ltd.
- Tomomichi Ueda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Battery
- Patent number 6,007,936
- Issue date Dec 28, 1999
- Matsushita Electric Industrial Co., Ltd.
- Akira Iwase
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method to manufacture cell-cans
- Patent number 5,787,752
- Issue date Aug 4, 1998
- Matsushita Electric Industrial Co., Ltd.
- Akira Iwase
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
BATTERY CAN, MANUFACTURING METHOD AND MANUFACTURING DEVICE THEREFOR...
- Publication number 20100183911
- Publication date Jul 22, 2010
- Toshiki Ishikawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Battery Can and Method of Manufacturing the Same
- Publication number 20090068557
- Publication date Mar 12, 2009
- PANASONIC CORPORATION
- Fumiharu Sakashita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Battery can, and battery using the battery can
- Publication number 20050029985
- Publication date Feb 10, 2005
- Masatoshi Hano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Safety mechanism for rectangular battery and method of manufacturin...
- Publication number 20030077505
- Publication date Apr 24, 2003
- Yoshio Goda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Square battery container, method of manufacturing the container, an...
- Publication number 20030003355
- Publication date Jan 2, 2003
- Tomomichi Ueda
- H01 - BASIC ELECTRIC ELEMENTS