Koumei Iwasaki

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Multi-optical-path photoelectric switch
- Patent number 6,140,633
- Issue date Oct 31, 2000
- Keyence Corporation
- Koumei Iwasaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Multi-optical-path photoelectric switch
- Patent number 6,111,995
- Issue date Aug 29, 2000
- Keyence Corporation
- Koumei Iwasaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Electrical system for electrically interconnecting a parent switch...
- Patent number 5,818,123
- Issue date Oct 6, 1998
- Keyence Corporation
- Koumei Iwasaki
- H03 - BASIC ELECTRONIC CIRCUITRY