Sachiko Sugihara

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Higashiosaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Manufacturing of zinc-alkaline batteries
- Patent number 5,384,214
- Issue date Jan 24, 1995
- Matsushita Electric Industrial Co., Ltd.
- Sachiko Sugihara
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of manufacturing zinc-alkaline batteries
- Patent number 5,308,374
- Issue date May 3, 1994
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Yoshizawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing zinc-alkaline batteries
- Patent number 5,168,018
- Issue date Dec 1, 1992
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Yoshizawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Zinc-alkaline batteries
- Patent number 5,128,222
- Issue date Jul 7, 1992
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Yoshizawa
- H01 - BASIC ELECTRIC ELEMENTS