Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6032025 | Communication terminal and communication system | Naoaki Sugio, Morihiko Hayakawa, Kazuyoshi Maehara, Oh Takahashi, Katsuya Sakamaki +1 more | 2000-02-29 |
| 6029068 | Database system, data management system and communication terminal | Oh Takahashi | 2000-02-22 |
| 5805981 | Communication terminal and communication system with image display and image storage section | Naoaki Sugio, Morihiko Hayakawa, Kazuyoshi Maehara, Oh Takahashi, Katsuya Sakamaki +1 more | 1998-09-08 |