Katsuhiro Okamoto

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Toyohashi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Porous metal material, and method for manufacturing same
- Patent number 6,197,251
- Issue date Mar 6, 2001
- Matsushita Electric Industrial Co., Ltd.
- Akira Hashimoto
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Alkaline storage battery and method for producing an electrode used...
- Patent number 6,150,056
- Issue date Nov 21, 2000
- Matsushita Electric Industrial Co., Ltd.
- Toru Inagaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrode for storage battery and process for producing the same
- Patent number 5,840,444
- Issue date Nov 24, 1998
- Matsushita Electric Industrial Co., Ltd.
- Hiroki Takeshima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Alkaline storage batteries and nickel electrodes having plurality o...
- Patent number 5,744,263
- Issue date Apr 28, 1998
- Matsushita Electric Industrial Co., Ltd.
- Toru Inagaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cylindrical battery
- Patent number 5,637,416
- Issue date Jun 10, 1997
- Matsushita Electric Industrial Co., Ltd.
- Fumihiko Yoshii
- H01 - BASIC ELECTRIC ELEMENTS