Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12272929 | Optical semiconductor device | Kazuki SUGA | 2025-04-08 |
| 12046870 | Optical semiconductor device | Atsushi Nakamura, Shigetaka Hamada, Ryosuke Nakajima, Ryu Washino, Shoko Yokokawa | 2024-07-23 |
| 11710940 | Semiconductor optical device | Shigetaka Hamada, Yasushi Sakuma | 2023-07-25 |
| 11283242 | Semiconductor optical device | Shigetaka Hamada, Yasushi Sakuma | 2022-03-22 |
| 11189991 | Semiconductor optical element and semiconductor optical device comprising the same | Kazuki SUGA | 2021-11-30 |
| 10355454 | Optical semiconductor device, optical module, and method for manufacturing optical semiconductor device | Takeshi Kitatani | 2019-07-16 |
| 10312665 | Optical semiconductor device, optical subassembly, and optical module | Takeshi Kitatani, Kaoru Okamoto | 2019-06-04 |
| 10305599 | Optical transmitter module | Hiroaki Inoue | 2019-05-28 |
| 10187157 | Optical transmitter module | — | 2019-01-22 |
| 10181699 | Semiconductor optical device, optical module, and method for manufacturing semiconductor optical device | Koichiro Adachi, Akira Nakanishi | 2019-01-15 |
| 9778428 | Semiconductor optical device, arrayed semiconductor optical device, and optical module | Koichiro Adachi | 2017-10-03 |
| 9263852 | Semiconductor laser and optical semiconductor device | Yuki WAKAYAMA | 2016-02-16 |
| 8958451 | Semiconductor laser and optical semiconductor device | Yuki WAKAYAMA | 2015-02-17 |
| 8891570 | Optical semiconductor device | Yuki WAKAYAMA, Takeshi Kitatani, Kazunori Shinoda | 2014-11-18 |
| 8569727 | Light beam scanning image projection apparatus | Etsuko Nomoto, Shigehisa Tanaka, Hitoshi Nakamura, Toshiki Sugawara | 2013-10-29 |
| 8124432 | Nitride semiconductor optical element and manufacturing method thereof | Tomonobu Tsuchiya, Shigehisa Tanaka, Akihisa Terano | 2012-02-28 |
| 7583714 | Vertical cavity surface emitting semiconductor laser device | Koichiro Adachi, Takashi Shiota, Tomonobu Tsuchiya, Kazunori Shinoda | 2009-09-01 |
| 7223993 | Optical semiconductor device | Makoto Kudo, Shigehisa Tanaka, Masataka Shirai | 2007-05-29 |
| 6989550 | Distributed feedback semiconductor laser equipment employing a grating | Tomonobu Tsuchiya, Akira Taike, Kazunori Shinoda | 2006-01-24 |
| 6990133 | Laser diode and manufacturing method thereof | Takeshi Kikawa, Etsuko Nomoto | 2006-01-24 |
| 6985505 | Semiconductor laser diode and optical module | Etsuko Nomoto, Shinji Tsuji, Makoto Shimaoka | 2006-01-10 |
| 6958831 | Image scanning method and apparatus thereof | — | 2005-10-25 |
| 6943922 | Image reading method and apparatus for same | Tetsuichiro Yamamoto | 2005-09-13 |
| 6931039 | Optical transmitter equipment and semiconductor laser device | Ryoji Takeyari | 2005-08-16 |
| 6639241 | Optical device using semiconductor | Tsurugi Sudo | 2003-10-28 |