Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6194577 | Process for producing alicyclic hydrazine derivatives, tetra-hydropyridazine and hexahydropyridazine | Youichi Hasegawa, Shunji Hyoda, Hiroyuki Fujita, Hirotoshi Sawada | 2001-02-27 |
| 5977360 | Process for producing cyclic hydrazine derivatives, tetra-hydropyridazine and hexahydropyridazine | Youichi Hasegawa, Shunji Hyoda, Hiroyuki Fujita, Hirotoshi Sawada | 1999-11-02 |