Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6621092 | Reflection type sensor | Naoaki NODA, Kunio Oi | 2003-09-16 |
| 6423978 | System for detecting disk-shaped object such as semiconductor wafer or magnetic disk | Sadao Noda | 2002-07-23 |
| 5532472 | Photoelectric switch monitoring the duration of pulsed light to prevent false signals due to ambient conditions | — | 1996-07-02 |
| 5509029 | Serial data transmissions device and terminal unit for the same | — | 1996-04-16 |
| 4409473 | Apparatus for detecting an object | Kunio Ohi | 1983-10-11 |
| 4182571 | Egg inspecting apparatus | Hisatoshi Saito | 1980-01-08 |