Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6781021 | Method for isomerizing halogenated aromatics | Hajime Kato, Kazuyoshi Iwayama, Masashi Kato, Shinobu Yamakawa | 2004-08-24 |
| 6320087 | Adsorbent for separating halogenated aromatic compounds and separation method | Kazuyoshi Iwayama, Shinobu Yamakawa, Masashi Kato | 2001-11-20 |
| 6040490 | Process for producing aromatic compounds by dealkylation, transalkylation, or disproportionation | Ryoji Ichioka, Shinobu Yamakawa, Hajime Kato, Kazuyoshi Iwayama, Hiroshi Konta +1 more | 2000-03-21 |
| 5847256 | Process for producing xylene | Ryoji Ichioka, Shinobu Yamakawa | 1998-12-08 |