Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6731828 | Waveguide-type optical signal processing circuit | Yasuyuki Inoue, Manabu Oguma, Takayuki Mizuno, Yoshinori Hibino, Masaki Koutoku | 2004-05-04 |
| 5220627 | Electrically controlled optical device | Kenji Kawano, Toshinori Nozawa, Hiromichi Jumonji, Osamu Mitomi, Toshio Suzuki +2 more | 1993-06-15 |
| 5129017 | Electrically controlled optical device | Kenji Kawano, Toshinori Nozawa, Hiromichi Jumonji, Osamu Mitomi, Toshio Suzuki +2 more | 1992-07-07 |