Yasushi Nagasawa

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Total-internal-reflection type deposit point sensor
- Patent number 6,076,959
- Issue date Jun 20, 2000
- Japan Energy Corporation
- Yasushi Nagasawa
- G01 - MEASURING TESTING
Information Patent Grant
Total-reflection type refractive index sensor
- Patent number 5,565,978
- Issue date Oct 15, 1996
- Japan Energy Corporation
- Shuichi Okubo
- G01 - MEASURING TESTING