Kazushige Hirao

Follow

Person

Shizuoka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for preparing carbonyl sulfide
- Patent number 4,250,156
- Issue date Feb 10, 1981
- Ihara Chemical Industry Co., Ltd.
- Nobuo Takahashi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing triphenylphosphine
- Patent number 4,212,831
- Issue date Jul 15, 1980
- Ihara Chemical Industry Company, Limited
- Yoshiki Nakayama
- C07 - ORGANIC CHEMISTRY