Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6280608 | Layered catalyst composition and processes for preparing and using the composition | Robert H. Jensen, Jeffery C. Bricker, Qianjun Chen, Kenji Kikuchi, Masao Takayama +3 more | 2001-08-28 |
| 6177381 | Layered catalyst composition and processes for preparing and using the composition | Robert H. Jensen, Jeffrey C. Bricker, Qianjun Chen, Kenji Kikuchi, Masao Takayama +3 more | 2001-01-23 |
| 4871709 | Ozone cracking catalyst | Makoto Sakura | 1989-10-03 |
| 4615999 | Method for preparing hydrodesulfurization catalyst | Shizuo Takumi, Toshio Hashimoto | 1986-10-07 |
| 4613585 | Process of preparing alumina for use in catalyst carrier | Shizuo Takumi, Toshio Hashimoto | 1986-09-23 |
| 4399119 | Manufacture of spherical alumina from gibbsite | Shizuo Takumi, Toshio Hashimoto | 1983-08-16 |
| 4309312 | Manufacture of spherical alumina from gibbsite | Shizuo Takumi, Toshio Hashimoto | 1982-01-05 |