Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5136715 | Terminal apparatus for resetting by remote control | Ryosuke HIROSE, Hiroshi Takizawa, Kenji Yamana, Seijun Tanikawa, Takahiro Yamamoto +1 more | 1992-08-04 |
| 4654483 | Electronic conference system | Ryusaku Imai, Fujio Sekiguchi, Tomoyuki Chou, Hitoshi Sato | 1987-03-31 |
| 4501931 | Color information input system for electronic blackboard | Ryusaku Imai, Hitoshi Sato | 1985-02-26 |