Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700481 | Transdermal drug delivery process | Katsumi Iga, Shigeo Yanai, Keiichiro Okabe | 1997-12-23 |
| 5654950 | Method for protecting data recorded on a partial read-only memory (ROM) medium from unauthorized copying | — | 1997-08-05 |