Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5820809 | Manufacturing method for key tops | Hiroshi Yajima, Masayuki Kashino, Akihiro Tsuji, Masaru Nakajo, Motoshi Yamauchi | 1998-10-13 |
| 4674828 | Light-conductive circuit unit including light deflecting means and optical switching means | Fumitaka Takahashi, Yoshihiko Kimura, Hideo Tsubata, Minoru Mohri | 1987-06-23 |
| 4672214 | Optical switch having light source and receiver positioned stationary relative to steering wheel | Fumitaka Takahashi, Hideo Tsubata, Minoru Mohri | 1987-06-09 |