Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5472925 | Catalyst for the production of nitriles | Takashi Ushikubo, Kazunori Oshima, Atsushi Kayo, Tiaki Umezawa, Itaru Sawaki +1 more | 1995-12-05 |
| 5422328 | Process for preparing a catalyst useful for producing a nitrile | Takashi Ushikubo, Itaru Sawaki, Kazunori Oshima, Kei Inumaru, Satoshi Kobayakawa | 1995-06-06 |
| 5281745 | Process for producing nitriles | Takashi Ushikubo, Kazunori Oshima, Atsushi Kayo, Tiaki Umezawa, Itaru Sawaki | 1994-01-25 |
| 5231214 | Process for producing nitriles | Takashi Ushikubo, Kazunori Oshima, Tiaki Umezawa | 1993-07-27 |