Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6720421 | PHENYLURETHANE COMPOUNDS AND METHODS FOR PRODUCING SAME, ASYMMETRIC UREA COMPOUNDS AND METHODS FOR PRODUCING SAME, BARBITURIC ACID DERIVATIVE, AND DIAZO THERMAL RECORDING MATERIAL CONTAINING THE DERIVATIVE | Naoto Yanagihara, Yohsuke Takeuchi, Daisuke Arioka, Kimi Ikeda, Sachiko Arai | 2004-04-13 |