Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810794 | Process for producing pyridine bases | Shinkichi Shimizu, Masanori Doba, Akira Iguchi, Hiroshi Sato, Ken-ichi Hirose +1 more | 1989-03-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810794 | Process for producing pyridine bases | Shinkichi Shimizu, Masanori Doba, Akira Iguchi, Hiroshi Sato, Ken-ichi Hirose +1 more | 1989-03-07 |