Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4636482 | Novel zeolite catalyst and method of preparing | Hideo Okado, Hiroshi Shoji, Haruo Takaya, Kichinari Kawamura | 1987-01-13 |
| 4544793 | Crystalline zeolite, method of preparing same and process for the production of olefins using same as catalyst | Hideo Okado, Kazuo Hashimoto, Kichinari Kawamura, Haruo Takaya | 1985-10-01 |