Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5618980 | Method for preparing aromatic secondary amino compound | Teruyuki Nagata, Masaru Wada, Kenichi Satou, Masae Uchida | 1997-04-08 |
| 5545751 | Process for the preparation of 4-methoxy-2,2',6'-Trimethyldiphenylamine | Masayuki Furuya, Masaru Wada, Yoshihiro Irizato, Hiroshi Naruse, Teruyuki Nagata | 1996-08-13 |
| 5545752 | Process for the preparation of diphenylamine or nucleus-substituted derivative thereof | Teruyuki Nagata, Masaru Wada | 1996-08-13 |
| 5536878 | Method for preparing aromatic secondary amino compound | Teruyuki Nagata, Masaru Wada, Kenichi Satou, Masae Uchida | 1996-07-16 |
| 5449829 | Process for the preparation of diphenylamine | Masaru Wada, Teruyuki Nagata | 1995-09-12 |
| 5382690 | Method for preparing aromatic secondary amino compound | Teruyuki Nagata, Masaru Wada, Kenichi Satou | 1995-01-17 |