Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654483 | Process for producing alkoxy-substituted triphenylamines | Chiyuki Kikuchi, Hiroshi Naruse, Teruyuki Nagata | 1997-08-05 |
| 5647896 | Color-developing agents and color-developing sheets | Takeshi Nishimura, Tomoko Kamashita, Teruyuki Nagata, Yoshimitsu Tanabe, Kiyoharu Hasegawa +1 more | 1997-07-15 |
| 5618980 | Method for preparing aromatic secondary amino compound | Teruyuki Nagata, Chiyuki Kusuda, Kenichi Satou, Masae Uchida | 1997-04-08 |