Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5686616 | Process for preparing an optically active amine | Tsuneaki Yamagata, Yasutaka Kataoka, Hidenori Kumobayashi | 1997-11-11 |
| 4695631 | Process for the preparation of enamines or imines | Seinosuke Otsuka, Tsuneaki Yamagata, Susumu Akutagawa, Hidenori Kumobayashi, Misao Yagi | 1987-09-22 |