Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6193159 | Portable optical reading apparatus having a trigger key for starting reading operation thereof | Maki Miyata, Akio Murata | 2001-02-27 |
| 6163268 | Information processing system using portable terminal unit and data communication adapter therefor | Takao Obata, Mitsuaki Kumagai, Akio Murata, Shinji Yamamoto, Makoto Sato +7 more | 2000-12-19 |
| 6161143 | Data transfer system including a terminal and a back-up terminal and method for controlling thereof | Hideyuki Tayama | 2000-12-12 |
| 5983290 | Information processing system using portable terminal unit and data communication adapter therefor | Takao Obata, Mitsuaki Kumagai, Akio Murata, Shinji Yamamoto, Makoto Sato +7 more | 1999-11-09 |
| 5960208 | Data communication adapter for selectively supplying power to a communication control circuit or a portable terminal unit | Takao Obata, Mitsuaki Kumagai, Akio Murata, Shinji Yamamoto, Makoto Sato +7 more | 1999-09-28 |
| 5854737 | Information processing system using portable terminal unit and data communication adapter having biased connector | Takao Obata, Mitsuaki Kumagai, Akio Murata, Shinji Yamamoto, Makoto Sato +7 more | 1998-12-29 |
| 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 |