Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6114688 | Lens for a light detector | Kozo Tanaka | 2000-09-05 |
| 5146162 | Engine speed measuring device with plural counters for averaging angular velocity | Masahiro Sasaki, Youji Oki | 1992-09-08 |
| 5128973 | Circuit system for preventing measuring device from being erroneously operated | Masahiro Sasaki, Yoji Oki | 1992-07-07 |