Kohgakusha Engineering Co., Ltd.

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Sappora, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical axis displacement sensor with cylindrical lens means
- Patent number 4,897,536
- Issue date Jan 30, 1990
- Okada Inc.
- Takashi Miyoshi
- G01 - MEASURING TESTING
Information Patent Grant
Optical axis displacement sensor
- Patent number 4,828,390
- Issue date May 9, 1989
- Okada Inc.
- Takashi Miyoshi
- G01 - MEASURING TESTING