Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7829880 | Quantum dot semiconductor device | Hiroji Ebe, Kenichi Kawaguchi, Ken Morito | 2010-11-09 |
| 7768692 | Single-photon generator | Kazuya Takemoto, Tatsuya Usuki | 2010-08-03 |
| 7738523 | Optical semiconductor device having diffraction grating | Nobuaki Hatori, Tsuyoshi Yamamoto | 2010-06-15 |
| 7700937 | Single-photon generating device, single-photon detecting device, and optical quantum gate | Shinichi Hirose, Motomu Takatsu, Tatsuya Usuki | 2010-04-20 |
| 7573060 | Optical semiconductor device having active layer of p-type quantum dot structure and its manufacture method | Nobuaki Hatori, Tsuyoshi Yamamoto, Hisao Sudo | 2009-08-11 |
| 7522647 | Semiconductor laser and method of fabricating the same | Nobuaki Hatori, Tsuyoshi Yamamoto, Koji Otsubo | 2009-04-21 |
| 7450789 | Micro sensor device | Kazuhiko Hosomi, Hiroji Yamada, Toshio Katsuyama, Toshihiko Fukamachi | 2008-11-11 |
| 7015498 | Quantum optical semiconductor device | Hiroji Ebe, Yoshiaki Nakata, Mitsuru Sugawara, Takashi Kita, Osamu Wada | 2006-03-21 |