Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6774891 | Transcription system | — | 2004-08-10 |
| 6575589 | Pen holder for interactive board | Motoharu Kouda | 2003-06-10 |
| 5305114 | Electronic blackboard apparatus | Yasuo Egashira, Izumi Fukuda | 1994-04-19 |