Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6490515 | Passenger detecting apparatus | Hiroyo Okamura, Naobumi Kuboki, Takayuki Enomoto, Kyosuke Hashimoto | 2002-12-03 |
| 5506721 | External modulator for optical communication | Toshiya Hikami, Matsue Murata, Shigeaki Nishikawa, Hiromi Ogawa | 1996-04-09 |
| 5497437 | Method and apparatus for receiving light with a modulated polarization | Toshiya Hikami, Shigeaki Nishikawa, Matsue Murata | 1996-03-05 |
| 5471545 | Optical external modulator for optical telecommunications | Toshiya Hikami, Shigeaki Nishikawa, Matsue Murata | 1995-11-28 |