Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4907227 | In-line coupling circuit for a closed-loop communication terminal | — | 1990-03-06 |
| 4893237 | Interconnected sales data registration and payment settlement system | — | 1990-01-09 |
| 4692760 | Display apparatus | Mikio Nakakawazi, Kazufumi Suzuki | 1987-09-08 |