Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5590394 | Data transmission system for CATV systems with capability to interrupt the repeated transmission of character information blocks to send priority updates | Masaaki Ishimoto | 1996-12-31 |
| 4858021 | Electronic blackboard capable of providing hardcopy | — | 1989-08-15 |
| 4755882 | Electronic blackboard capable of providing hardcopy | — | 1988-07-05 |