Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5472925 | Catalyst for the production of nitriles | Takashi Ushikubo, Kazunori Oshima, Tiaki Umezawa, Ken-ichi Kiyono, Itaru Sawaki +1 more | 1995-12-05 |
| 5281745 | Process for producing nitriles | Takashi Ushikubo, Kazunori Oshima, Tiaki Umezawa, Ken-ichi Kiyono, Itaru Sawaki | 1994-01-25 |
| 5049692 | Catalytic conversion of alkanes to nitriles, and a catalyst therefor | Masakatsu Hatano | 1991-09-17 |