Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6222085 | Catalyst for dehydrogenation of alkylaromatic hydrocarbon, process for producing the catalyst, and process for producing vinylaromatic hydrocarbon by using the catalyst | Yasushi Shiraki, Fumitaka Honjo | 2001-04-24 |
| 4926006 | Aluminoborosilicate containing alkaline earth metal, a method for the preparation thereof and a method for the catalytic preparation of a lower olefin therewith | Yasuo Kono, Hideo Okado, Shigemitsu Shin, Haruo Takaya | 1990-05-15 |
| 4767886 | Method for preparing lower olefins | Yasuo Kono, Hideo Okado, Hiroyuki Hagiwara, Haruo Takaya | 1988-08-30 |
| 4636482 | Novel zeolite catalyst and method of preparing | Hideo Okado, Hiroshi Shoji, Haruo Takaya, Yasuyoshi Yamazaki | 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, Yasuyoshi Yamazaki, Haruo Takaya | 1985-10-01 |
| 4410751 | Production of olefins from a lower alcohol or dimethyl ether | Shigemitsu Shin, Kunio Suzuki, Yoshimichi Kiyozumi, Kiyoshi Ogawa, Haruo Takaya +5 more | 1983-10-18 |