Issued Patents 1994
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5342610 | Benzophenone derivative, ultraviolet absorbent and external preparation for skin | Mikiko Katoh, Sadaki Takata | 1994-08-30 |
| 5315022 | Silicone type cinnamic acid derivative, preparation method thereof, UV-ray absorber, and external skin treatment agent | Masashi Yoshida, Kenichi Umishio, Tomiyuki Nanba | 1994-05-24 |
| 5306713 | Highly active antioxidant of tocopheryl ascorbyl phosphate | Keiko Suetsugu, Kazumi Ogata, Kenichi Yoshida, Kenichi Tomita | 1994-04-26 |
| 5297286 | Popup control system for portable computer having setup function and popup function | — | 1994-03-22 |
| 5292531 | Dermatologial external agent | Yoshihiro Ohhata, Akio Kawabata, Yoshikazu Inoue, Yoshihiro Yokogawa, Yuji Tsutsumi | 1994-03-08 |