Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7403716 | Optical module for bi-directional communication system | Adrian Lo, Kenjiro Hata, Tohru Kineri, Naoki Hanashima | 2008-07-22 |
| 7125174 | Optical module for bi-directional communication system | Adrian Lo, Kenjiro Hata, Tohru Kineri, Naoki Hanashima | 2006-10-24 |
| 5841922 | Optical fiber terminal with optical isolator and semiconductor laser module using the same | Shinji Iwatsuka, Kenjiro Hata | 1998-11-24 |
| 5691845 | Optical isolator, optical isolator with fiber and method for making the same | Shinji Iwatsuka, Yoichi Kanagawa, Kenjiro Hata | 1997-11-25 |