Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5237068 | Process for producing pyridine bases | Shinkichi Shimizu, Nobuyuki Abe, Masanori Doba | 1993-08-17 |
| 5071802 | Regeneration of catalysts by burning in the presence of alcohols | Shinkichi Shimizu, Takayasu Niwa, Nobuyuki Abe, Masanori Doba, Hiroshi Ichihashi +1 more | 1991-12-10 |
| 4810794 | Process for producing pyridine bases | Shinkichi Shimizu, Nobuyuki Abe, Masanori Doba, Hiroshi Sato, Ken-ichi Hirose +1 more | 1989-03-07 |
| 4778890 | Process for preparing nitriles | Shinkichi Shimizu, Takayuki Shoji, Nobuyuki Abe, Masanori Doba, Akira Taguro +1 more | 1988-10-18 |