Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4575707 | Waiting time display system | Kazuyoshi Imazeki, Toshiyuki Tanaka | 1986-03-11 |
| 4570160 | Signal encoding and decoding system for driving a remote display | Kazuyoshi Imazeki, Toshiyuki Tanaka | 1986-02-11 |