Hazime Tanaka

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Pressure switch with laminated diaphragm
- Patent number 4,939,321
- Issue date Jul 3, 1990
- Fuji Koji Manufacturing Co., Ltd.
- Hazime Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Triple action pressure switch apparatus
- Patent number 4,853,504
- Issue date Aug 1, 1989
- Fuji Koki Manufacturing Co., Ltd.
- Hazime Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dual-action pressure switch apparatus
- Patent number 4,827,094
- Issue date May 2, 1989
- Fuji Koki Manufacturing Co., Ltd.
- Hazime Tanaka
- H01 - BASIC ELECTRIC ELEMENTS