Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12046870 | Optical semiconductor device | Atsushi Nakamura, Shigetaka Hamada, Ryosuke Nakajima, Shoko Yokokawa, Kouji Nakahara | 2024-07-23 |
| 12027822 | Optical semiconductor device | Atsushi Nakamura, Hayato TAKITA, Shigetaka Hamada, Ryosuke Nakajima, Masatoshi Arasawa | 2024-07-02 |
| 11880098 | Semiconductor optical device | Yoshihiro Nakai, Yuma ENDO, Saori HIZUME | 2024-01-23 |
| 11705528 | Semiconductor light-receiving element and manufacturing method of semiconductor light-receiving element | Hiroshi Hamada, Takafumi Taniguchi | 2023-07-18 |
| 11121268 | Semiconductor light-receiving element and manufacturing method of semiconductor light-receiving element | Hiroshi Hamada, Takafumi Taniguchi | 2021-09-14 |
| 9029970 | Semiconductor light receiving device and method of manufacturing the same | Yasushi Sakuma, Hiroshi Hamada | 2015-05-12 |
| 7855093 | Semiconductor laser device and method of manufacturing the same | Kaoru Okamoto, Kazuhiro Komatsu, Yasushi Sakuma | 2010-12-21 |
| 7687295 | Method for manufacturing optical semiconductor device | Susumu Sorimachi, Daisuke Nakai, Kaoru Okamoto, Shigenori Hayakawa | 2010-03-30 |
| 7687874 | Surface illuminated photodiode and optical receiver module | Kazuhiro Komatsu, Yasushi Sakuma, Daisuke Nakai, Kaoru Okamoto | 2010-03-30 |
| 7459397 | Polishing method for semiconductor substrate, and polishing jig used therein | Yasushi Sakuma, Masaru Mukaikubo, Hura Harpreet Singh, Kenji Uchida | 2008-12-02 |
| 7279349 | Semiconductor optical device and manufacturing method thereof | Yasushi Sakuma, Katsuya Motoda, Kenji Uchida | 2007-10-09 |