Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700481 | Transdermal drug delivery process | Shigeo Yanai, Keiichiro Okabe, Masaki Itoh | 1997-12-23 |
| 5628993 | Sustained releasable parenteral pharmaceutical preparations and method of producing the same | Yutaka Yamagata, Hiroaki Okada | 1997-05-13 |