Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11916161 | Semiconductor light-receiving element | Takashi Toyonaka, Hiroshi Hamada | 2024-02-27 |
| 11476382 | Semiconductor light-receiving element | Takashi Toyonaka, Hiroshi Hamada | 2022-10-18 |
| 10978605 | Semiconductor photodiode, optical receiver module, optical module, and optical transmission equipment | Takashi Toyonaka, Hiroshi Hamada | 2021-04-13 |
| 10921517 | Electro-optic waveguide device and optical module | Kensuke Ogawa, Hiroki Irie, Hiroaki Inoue, Takayoshi Fukui | 2021-02-16 |
| 10754108 | Optical subassembly, method for manufacturing optical subassembly, and optical module | Yasunobu Matsuoka | 2020-08-25 |
| 10381799 | Optical module | Takanori Suzuki | 2019-08-13 |
| 10181694 | Optical module | Kohichi Tamura, Takanori Suzuki, Mitsuo Akashi, Hiroaki Inoue, Hiroyasu Sasaki | 2019-01-15 |
| 9762026 | Optical module | Kohichi Tamura, Takanori Suzuki, Mitsuo Akashi, Hiroaki Inoue, Hiroyasu Sasaki | 2017-09-12 |
| 8569727 | Light beam scanning image projection apparatus | Etsuko Nomoto, Hitoshi Nakamura, Toshiki Sugawara, Kouji Nakahara | 2013-10-29 |
| 8124432 | Nitride semiconductor optical element and manufacturing method thereof | Tomonobu Tsuchiya, Akihisa Terano, Kouji Nakahara | 2012-02-28 |
| 7738521 | Semiconductor laser device | Shin'ichi Nakatsuka, Tsukuru Ohtoshi, Kazunori Shinoda, Akihisa Terano, Hitoshi Nakamura | 2010-06-15 |
| 7668217 | Semiconductor laser diode device | Katsumi Kishino, Ichiro Nomura, Tsunenori Asatsuma, Hitoshi Nakamura, Tsukuru Ohtoshi +2 more | 2010-02-23 |
| 7596160 | Nitride semiconductor lasers and its manufacturing method | Tomonobu Tsuchiya, Akihisa Terano | 2009-09-29 |
| 7422919 | Avalanche photodiode | Sumiko Fujisaki, Yasunobu Matsuoka | 2008-09-09 |
| 7364929 | Nitride semiconductor based light-emitting device and manufacturing method thereof | Akihisa Terano | 2008-04-29 |
| 7223993 | Optical semiconductor device | Kouji Nakahara, Makoto Kudo, Masataka Shirai | 2007-05-29 |
| 6800914 | Semiconductor photodetector device and manufacturing method thereof | Kazuhiro Ito, Sumiko Fujisaki, Yasunobu Matsuoka, Takashi Toyonaka | 2004-10-05 |
| 6670600 | SEMICONDUCTOR PHOTODETECTOR WITH OHMIC CONTACT AREAS FORMED TO PREVENT INCIDENT LIGHT FROM RESOLVING THE AREAS, SEMICONDUCTOR PHOTO RECEIVER AND SEMICONDUCTOR DEVICE INSTALLED WITH THE SEMICONDUCTOR PHOTODETECTOR | Akihisa Terano, Yasunobu Matsuoka | 2003-12-30 |
| 6635908 | Burying type avalanche photodiode and fabrication method thereof | Yasunobu Matsuoka, Kazuhiro Ito, Tomohiro Ohno, Sumiko Fujisaki, Akira Taike +2 more | 2003-10-21 |
| 5724462 | Integrated optical semiconductor device and optical gyroscope usinng the same | Tatemi Ido, Ryoji Suzuki, Toshiya Yuhara | 1998-03-03 |
| 5543629 | Superlattice avalanche photodiode (APD) | Hitoshi Nakamura, Shoichi Hanatani, Tsukuru Ohtoshi, Koji Ishida, Yausunobu Matsuoka | 1996-08-06 |