Norikatsu Akutsu

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Alkaline storage battery and method for treating surface of positiv...
- Patent number 6,114,063
- Issue date Sep 5, 2000
- Matsushita Electric Industrial Co., Ltd.
- Masumi Katsumoto
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for producing hydrogen storage alloy electrode
- Patent number 5,879,429
- Issue date Mar 9, 1999
- Matsushita Electric Industrial Co., Ltd.
- Yasuharu Yamamura
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Nickel hydroxide active material powder and nickel positive electro...
- Patent number 5,700,596
- Issue date Dec 23, 1997
- Matsushita Electric Industrial Co., Ltd.
- Munehisa Ikoma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Alkaline storage battery and method for producing the same
- Patent number 5,547,784
- Issue date Aug 20, 1996
- Matsushita Electric Industrial Co., Ltd.
- Takashi Okawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nickel positive electrode for use in alkaline storage battery and n...
- Patent number 5,466,543
- Issue date Nov 14, 1995
- Matsushita Electric Industrial Co., Ltd.
- Munehisa Ikoma
- H01 - BASIC ELECTRIC ELEMENTS