Akira Niinuma

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Furukawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Water-resistant switching device
- Patent number 6,353,196
- Issue date Mar 5, 2002
- Alps Electric Co., Ltd.
- Akira Niinuma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Push button switch
- Patent number 4,827,087
- Issue date May 2, 1989
- Alps Electric Co., Ltd.
- Akira Niinuma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Telephone line-switching device
- Patent number 4,773,089
- Issue date Sep 20, 1988
- Alps Electric Co., Ltd.
- Teiichi Miura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wafer and method for manufacturing switch wafer
- Patent number 4,690,484
- Issue date Sep 1, 1987
- Alps Electric Co., Ltd.
- Hiroki Oba
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Push button switch with sliding contact member
- Patent number 4,675,486
- Issue date Jun 23, 1987
- Alps Electric Co., Ltd.
- Akira Niinuma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Push button switch with alternate action mechanism
- Patent number 4,360,721
- Issue date Nov 23, 1982
- Alps Electric Co., Ltd.
- Akira Niinuma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ganged push button switch having means preventing simultaneous actu...
- Patent number 4,297,541
- Issue date Oct 27, 1981
- Alps Electric Co., Ltd.
- Akira Niinuma
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Water-resistant switching device
- Publication number 20010022267
- Publication date Sep 20, 2001
- Alps Electric Co., Ltd.
- Akira Niinuma
- H01 - BASIC ELECTRIC ELEMENTS