Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6989550 | Distributed feedback semiconductor laser equipment employing a grating | Kouji Nakahara, Tomonobu Tsuchiya, Kazunori Shinoda | 2006-01-24 |
| 6973226 | Optoelectronic waveguiding device and optical modules | Hiroshi Sato, Kazunori Shinoda, Shinji Tsuji | 2005-12-06 |
| 6635908 | Burying type avalanche photodiode and fabrication method thereof | Shigehisa Tanaka, Yasunobu Matsuoka, Kazuhiro Ito, Tomohiro Ohno, Sumiko Fujisaki +2 more | 2003-10-21 |
| 6606443 | Optical transmission device | Hiroshi Sato, Masahiro Aoki, Tsurugi Sudoh, Tomonobu Tsuchiya, Masaaki Komori +1 more | 2003-08-12 |
| 6459840 | Optical transmission device | Hiroshi Sato, Masahiro Aoki, Tsurugi Sudoh, Tomonobu Tsuchiya, Masaaki Komori +1 more | 2002-10-01 |
| 5299217 | Semiconductor light-emitting device with cadmium zinc selenide layer | Masahito Migita, Tsukuru Ohtoshi | 1994-03-29 |
| 5278856 | Semiconductor emitting device | Masahito Migita, Masatoshi Shiiki | 1994-01-11 |
| 5081632 | Semiconductor emitting device | Masahito Migita, Masatoshi Shiiki | 1992-01-14 |
| 5045894 | Compound semiconductor light emitting device | Masahito Migita, Masatoshi Shiiki | 1991-09-03 |