Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10312666 | Semiconductor laser | — | 2019-06-04 |
| 10277010 | Semiconductor laser | Takashi Kato | 2019-04-30 |
| 9923337 | Quantum cascade laser | Hiroyuki Yoshinaga, Jun Hashimoto | 2018-03-20 |
| 9882347 | Quantum cascade laser array | Jun Hashimoto, Hiroyuki Yoshinaga | 2018-01-30 |
| 7986721 | Semiconductor optical device including a PN junction formed by a second region of a first conductive type semiconductor layer and a second conductive type single semiconductor layer | Jun Hashimoto | 2011-07-26 |
| 7838893 | Semiconductor optical device | Jun Hashimoto | 2010-11-23 |
| 7613217 | Semiconductor surface emitting device | Jun Hashimoto | 2009-11-03 |
| 7405421 | Optical integrated device | Jun Hashimoto, Kenji Koyama | 2008-07-29 |
| 7379485 | Semiconductor optical device | Jun Hashimoto | 2008-05-27 |
| 7356063 | Semiconductor surface emitting device | Jun Hashimoto | 2008-04-08 |
| 7323722 | Semiconductor optical device | Jun Hashimoto | 2008-01-29 |
| 7271422 | Semiconductor optical device | Jun Hashimoto | 2007-09-18 |
| 7208774 | Semiconductor optical device | Jun Hashimoto | 2007-04-24 |
| 7149375 | Optical waveguide module | Takeo Komiya, Takashi Sasaki, Yasushi Fujimura, Naoyuki Yamabayashi | 2006-12-12 |
| 6690079 | Light-receiving device | Yasushi Fujimura, Hiroshi Yano | 2004-02-10 |
| 6625187 | Semiconductor optical device and method of manufacturing the same | Nobuyuki Ikoma, Akira Ishida, Shigenori Takagishi, Mitsuo Takahashi, Masayuki Shigematsu | 2003-09-23 |
| 5734671 | Semiconductor laser diode | Ichiro Yoshida, Jun Hashimoto, Michio Murata | 1998-03-31 |
| 5663975 | Multi-beam semiconductor laser with separated contacts characterized by semiconductor mixed crystal and active layer | Ichiro Yoshida, Junichi Hashimoto | 1997-09-02 |
| 5617957 | Method of sorting semiconductor lasers | Ichiro Yoshida, Jun Hashimoto | 1997-04-08 |
| 5586135 | Semiconductor laser having an AlGaInP cladding layer | Ichiro Yoshida, Jun Hashimoto | 1996-12-17 |
| 5479427 | Semiconductor laser and method of manufacturing the same | Ichiro Yoshida, Junichi Hashimoto | 1995-12-26 |
| 5446537 | Method of sorting semiconductor lasers | Ichiro Yoshida, Jun Hashimoto | 1995-08-29 |
| 5359619 | Multi-beam semiconductor laser and method for producing the same | Ichiro Yoshida, Junichi Hashimoto | 1994-10-25 |
| 5276698 | Semiconductor laser having an optical waveguide layer including an AlGaInP active layer | Ichiro Yoshida | 1994-01-04 |