Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5196394 | Heat-sensitive recording material | Atsushi Nakazawa, Hideaki Shinohara, Yoshitaka Tomino | 1993-03-23 |
| 5093304 | Heat-sensitive recording material | Atsushi Nakazawa, Hideaki Shinohara, Yoshitaka Tomino | 1992-03-03 |
| 4764252 | Process for pulping lignocellulosic material with a preoxidized alkaline sulfide pulping liquor containing a cyclic organic compound | Isao Wada, Junichiro Kido, Shigeru Eimaeda | 1988-08-16 |