Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4508918 | Method of producing cyclohexane derivatives directly from aromatic hydrocarbons | Yutaka Yasuhara, Seikichi Matsuhisa | 1985-04-02 |
| 4410597 | Polyurethane resins and polyurethane resin coating compositions | Yutaka Yasuhara, Tadanori Fukuda, Sadayuki Sakamoto | 1983-10-18 |
| 4304731 | Method for producing an aliphatic triisocyanate | Yutaka Yasuhara | 1981-12-08 |
| 4276228 | 1,6,11-Undecane triisocyanate | Yutaka Yasuhara | 1981-06-30 |
| 4212990 | Method for producing cyclohexane derivatives directly from aromatic hydrocarbons | Yutaka Yasuhara, Seikichi Matsuhira | 1980-07-15 |