Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4360621 | Low viscous p-phenylene diamine stabilizers | Osamu Kimura, Takashi Kojima, Hideo Nagasaki | 1982-11-23 |
| 4326062 | Manufacture of polymerized 2,2,4-trimethyl-1,2-dihydroquinoline | Takashi Kojima, Ryozo Ishimoto | 1982-04-20 |