Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10944236 | Optical unit, fixing mechanism for optical unit, and semiconductor laser module | Junji Yoshida | 2021-03-09 |
| 10109982 | Semiconductor device | — | 2018-10-23 |
| 10069280 | Semiconductor optical element, semiconductor laser element, and method for manufacturing semiconductor optical element and semiconductor laser element, and method for manufacturing semiconductor laser module and semiconductor element | Kouhei Kinugawa, Masafumi Tajima | 2018-09-04 |
| 10033154 | Semiconductor optical element, semiconductor laser element, and method for manufacturing semiconductor optical element and semiconductor laser element, and method for manufacturing semiconductor laser module and semiconductor element | Kouhei Kinugawa, Masafumi Tajima, Hirotatsu Ishii, Takeshi Namegaya | 2018-07-24 |
| 9627849 | Semiconductor light device and manufacturing method for the same | Yutaka Ohki | 2017-04-18 |
| 9478944 | Semiconductor laser element and method of manufacturing semiconductor laser element | Hirotatsu Ishii, Takeshi Namegaya | 2016-10-25 |
| 9312443 | Semiconductor light device and manufacturing method for the same | Yutaka Ohki | 2016-04-12 |
| 9276374 | Laser apparatus | Yutaka Ohki | 2016-03-01 |
| 9025633 | Optical device, method of manufacturing the same, and laser module | Kouhei Kinugawa | 2015-05-05 |
| 8842707 | Semiconductor laser element and method of manufacturing semiconductor laser element | Hirotatsu Ishii, Takeshi Namegaya | 2014-09-23 |
| 8696217 | Semiconductor laser module and optical module | Jun Miyokawa | 2014-04-15 |
| 8660160 | Semiconductor laser element and method of manufacturing the same | Kouhei Kinugawa | 2014-02-25 |
| 8615026 | Method of manufacturing semiconductor optical device, method of manufacturing semiconductor optical laser element, and semiconductor optical device | — | 2013-12-24 |
| 8385379 | Optical semiconductor device and pumping light source for optical fiber amplifier | Junji Yoshida, Naoki Tsukiji, Satoshi Irino, Hirokazu Itoh, Harunobu Ikeda +2 more | 2013-02-26 |
| 8030224 | Manufacturing method of semiconductor device, semiconductor device, communication apparatus, and semiconductor laser | Takeshi Namegaya, Etsuji Katayama | 2011-10-04 |
| 7653317 | Semiconductor laser device | Yutaka Ohki, Naoki Tsukiji | 2010-01-26 |
| 6934311 | Semiconductor laser module and Raman amplifier | Hiroshi Shimizu, Naoki Tsukiji, Junji Yoshida, Toshio Kimura, Yutaka Ohki +1 more | 2005-08-23 |