Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5339239 | Information collecting and/or service furnishing systems by which a user can request information from a central data base using a portable personal terminal and an access terminal | Toshiyuki Manabe, Osamu Murakami, Keiichi Takeuchi | 1994-08-16 |