Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5661634 | Information processing system using portable terminal unit and data communication adapter therefor | Takao Obata, Mitsuaki Kumagai, Akihiko Iura, Akio Murata, Shinji Yamamoto +7 more | 1997-08-26 |