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Akira Watanabe
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Neyagawa, JP
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last 30 patents
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Patent Grant
Portable power source
Patent number
5,314,762
Issue date
May 24, 1994
Sanyo Electric Co., Ltd.
Akira Hamada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Preservation device for lead storage battery
Patent number
4,619,873
Issue date
Oct 28, 1986
Sanyo Electric Co., Ltd.
Yoshikazu Ishikura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Lead acid battery and method of storing it
Patent number
4,473,623
Issue date
Sep 25, 1984
Sanyo Electric Co., Ltd.
Yoshikazu Ishikura
H01 - BASIC ELECTRIC ELEMENTS