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Mitsugu Okahisa
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Osaka, JP
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last 30 patents
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Patent Grant
Battery for an IC card
Patent number
D335120
Issue date
Apr 27, 1993
Matsushita Electric Industrial Co., Ltd.
Mitsugu Okahisa
D13 - Equipment for production, distribution, or transformation of energy
Information
Patent Grant
Battery for an IC card
Patent number
D334559
Issue date
Apr 6, 1993
Matsushita Electric Industrial Co., Ltd.
Mitsugu Okahisa
D13 - Equipment for production, distribution, or transformation of energy