Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6474547 | Automatic service equipment | — | 2002-11-05 |
| 6173254 | Recorded message playback system for a variable bit rate system | — | 2001-01-09 |
| 4875099 | Device for merging plural sensor outputs onto a single conductor | Shunji Sakai, Tohru Kitagawa, Naohiro Watanabe | 1989-10-17 |