Yasuo Kohsaka

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Patents Grantslast 30 patents

Information Patent Grant
Method for measuring impurity concentrations in a liquid and an app...
- Patent number 4,761,074
- Issue date Aug 2, 1988
- Nihon Kagaku Kogyo Co., Ltd.
- Yasuo Kohsaka
- G01 - MEASURING TESTING
Information Patent Grant
Method for measuring the number of hyperfine particles and a measur...
- Patent number 4,449,816
- Issue date May 22, 1984
- Nitta Gelatin Kabushiki Kaisha
- Yasuo Kohsaka
- G01 - MEASURING TESTING