Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689358 | Optical functional devices and integrated optical devices having a ridged multi-quantum well structure | Masashi Nakao, Yasuhiro Suzuki, Osamu Mitomi, Junichi Nakano, Kiyoyuki Yokoyama | 1997-11-18 |
| 5585957 | Method for producing various semiconductor optical devices of differing optical characteristics | Masashi Nakao, Yasuhiro Kondou, Masanobu Okayasu, Mitsuru Naganuma, Yasuhiro Suzuki +4 more | 1996-12-17 |