Hiroshi Kumano

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Daito, JP

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Patents Grantslast 30 patents

Information Patent Grant
Silver oxide primary cell
- Patent number 4,387,143
- Issue date Jun 7, 1983
- Matsushita Electric Industrial Co., Ltd.
- Tomohiko Arita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Divalent silver oxide for use in primary cell and manufacturing met...
- Patent number 4,286,029
- Issue date Aug 25, 1981
- Matsushita Electric Industrial Co., Ltd.
- Kaoru Murakami
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Divalent silver oxide for use in primary cell and manufacturing met...
- Patent number 4,231,889
- Issue date Nov 4, 1980
- Matsushita Electric Industrial Co., Ltd.
- Kaoru Murakami
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Lead alloy for lead-acid batteries and process for producing the alloy
- Patent number 4,207,097
- Issue date Jun 10, 1980
- Matsushita Electric Industrial Co., Ltd.
- Sadao Fukuda
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...