Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5856613 | Method for producing .beta.-methylnaphthalene | Toshio Tsutsui, Osamu Kubota, Shinichi Okada, Toshihito Nakamura | 1999-01-05 |
| 4668378 | Process for thermal cracking of heavy oil | Terukatsu Miyauchi, Yoneichi Ikeda, Osamu Kubota | 1987-05-26 |
| 4208303 | Process for regenerating iron-antimony oxide containing catalyst | Yutaka Sasaki, Yoneichi Ikeda, Toshio Nakamura | 1980-06-17 |