Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670770 | Portable terminal apparatus | Maki Miyata, Akio Murata | 1997-09-23 |
| 5661634 | Information processing system using portable terminal unit and data communication adapter therefor | Takao Obata, Mitsuaki Kumagai, Akio Murata, Shinji Yamamoto, Makoto Sato +7 more | 1997-08-26 |