Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4707057 | Optical switching unit | Fumitaka Takahashi, Yoshihiko Kimura, Nobuaki Ohji, Kiyoshi Sashida | 1987-11-17 |
| 4674828 | Light-conductive circuit unit including light deflecting means and optical switching means | Fumitaka Takahashi, Yoshihiko Kimura, Nobuaki Oji, Minoru Mohri | 1987-06-23 |
| 4672214 | Optical switch having light source and receiver positioned stationary relative to steering wheel | Fumitaka Takahashi, Nobuaki Oji, Minoru Mohri | 1987-06-09 |