Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9079163 | Catalyst and method for producing the same and method for producing paraxylene using the same | Eri Kosaka | 2015-07-14 |
| 8772564 | Method of producing synthetic zeolite catalyst and method of producing high-purity paraxylene with a catalyst produced by such a method | Koichi Matsushita, Norikazu Nishiyama | 2014-07-08 |
| 8609918 | Method of producing para-substituted aromatic hydrocarbon | Koichi Matsushita, Naoharu Igarashi, Makoto Oyamada | 2013-12-17 |
| 7335618 | Method for manufacturing hydrorefining catalyst, and metal recovery method | Hiroki Koyama, Toru Saito, Yoshiki Iwata | 2008-02-26 |
| 6919294 | Method for preparing hydrogenation purification catalyst | Toru Saito | 2005-07-19 |
| 6903048 | Method for producing hydro-refining catalyst | Yoshiki Iwata, Yasuhito Goto | 2005-06-07 |
| 5686374 | Catalyst for hydroprocessing | — | 1997-11-11 |