Mamoru Yoshizako

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Machida, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing high purity chemicals
- Patent number 4,892,625
- Issue date Jan 9, 1990
- Tama Chemicals Co., Ltd.
- Shumpei Shimizu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of producing granular synthetic silica
- Patent number 4,806,329
- Issue date Feb 21, 1989
- Tama Chemicals Co., Ltd.
- Toshitsura Cho
- C01 - INORGANIC CHEMISTRY