Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4334021 | Process for producing coproporphyrin III | Ichiro Kojima, Kenji Maruhashi | 1982-06-08 |
| 4256465 | Method for producing methyl tert-butyl ether and fuel composition containing the same | Tetsuya Takezono | 1981-03-17 |
| 4210720 | Process for fermentatively producing vitamin B.sub.12 | Ichiro Kojima, Hiroshi Sato | 1980-07-01 |
| 4182913 | Method for producing methyl tert-butyl ether and fuel composition containing the same | Tetsuya Takezono | 1980-01-08 |
| 4182765 | Oil soluble fungicide obtained from the reaction of a quaternary ammonium salt and an alkyl benzene sulfonic acid | Osami Yagi | 1980-01-08 |