Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5138302 | Photoelectric, scattered light smoke detector | Shigeki Shimomura, Masao Arakawa, Tomizo Terasawa, Hironori Kami, Masanobu Ogawa | 1992-08-11 |
| 4970384 | Optical sensor for detecting distance to an object including anamorphic light receiving lens | Yoshiaki Kambe, Yoshihiko Okuda, Atsuyuki Hirono, Takayasu Ito | 1990-11-13 |
| 4876446 | Optical sensor with optical interconnection board | Yoshiaki Kambe, Yoshihiko Okuda, Atsuyuki Hirono, Takayasu Ito | 1989-10-24 |
| 4656462 | Object detecting apparatus including photosensors for restricted detection area | Tsunehiko Araki, Hiroshi Matsuda, Kazuhito Kayanoki | 1987-04-07 |