Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6600146 | Photoelectric switches | Kiyoshi Imai, Tetsuya Akagi | 2003-07-29 |
| 6492650 | Sensor unit for use in a multiple sensor unit array | Kiyoshi Imai, Takashi Kamei, Hiroyuki Inoue, Kiyohiko Gondo | 2002-12-10 |