Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12426336 | Semiconductor device, and method of manufacturing semiconductor device | Koji YOSHITSUGU | 2025-09-23 |
| 12387934 | Method of manufacturing semiconductor element | Masahiro FUJIKAWA | 2025-08-12 |
| 12349390 | Semiconductor device | Marika NAKAMURA, Shigeyoshi USAMI, Yuki TAKIGUCHI, Takahiro Yamada, Hisashi Saito +1 more | 2025-07-01 |
| 12269107 | Method for manufacturing composite substrate, and composite substrate | Kunihiko Nishimura, Keisuke Nakamura, Masahiro FUJIKAWA, Shuichi HIZA, Tomohiro Shinagawa | 2025-04-08 |
| 11961765 | Method for manufacturing a semiconductor substrate and device by bonding an epitaxial substrate to a first support substrate, forming a first and second protective thin film layer, and exposing and bonding a nitride semiconductor layer to a second support substrate | Shuichi HIZA, Kunihiko Nishimura, Masahiro FUJIKAWA, Yuki TAKIGUCHI | 2024-04-16 |
| 11854856 | Method of manufacturing semiconductor element | Masahiro FUJIKAWA, Kunihiko Nishimura, Shuichi HIZA | 2023-12-26 |
| 11482464 | Semiconductor device including a diamond substrate and method of manufacturing the semiconductor device | Koji YOSHITSUGU, Keisuke Nakamura | 2022-10-25 |
| 11107685 | Semiconductor manufacturing method and semiconductor manufacturing device | Keisuke Nakamura, Muneyoshi Suita, Akifumi Imai, Kenichiro Kurahashi, Tomohiro Shinagawa +3 more | 2021-08-31 |
| 10996400 | Optical waveguide interferometer | Keisuke Kojima, Bingnan Wang, Toshiaki Koike-Akino, Koichi Akiyama, Satoshi Nishikawa +1 more | 2021-05-04 |
| 10690989 | Optical modulation device and method for controlling optical modulation device | Kentaro ENOKI, Tsuyoshi Yoshida, Yasuhisa Shimakura | 2020-06-23 |
| 10534239 | Optical modulator | Toshiyuki Tanaka, Koichi Akiyama, Kiyotomo HASEGAWA | 2020-01-14 |
| 10200130 | Optical transmitter | Shusaku Hayashi, Satoshi Nishikawa, Koichi Akiyama | 2019-02-05 |
| 10120132 | Photonic integrated circuit | Keisuke Kojima, Satoshi Nishikawa, Toshiaki Koike-Akino, Bingnan Wang | 2018-11-06 |
| 9915849 | Optical modulator | Satoshi Nishikawa, Toshiyuki Tanaka, Koichi Akiyama | 2018-03-13 |
| 9893210 | Semiconductor device and method of manufacturing the same | Kenichiro Kurahashi, Takuma Nanjo, Muneyoshi Suita, Akifumi Imai, Hiroyuki Okazaki | 2018-02-13 |
| 9733497 | Semiconductor optical modulator and optical module | Koichi Akiyama | 2017-08-15 |
| 9735878 | Optical transmitter and control method of optical transmitter | Kentaro ENOKI, Yasuhisa Shimakura, Hiroaki Shintaku, Shusaku Hayashi | 2017-08-15 |
| 9640703 | Avalanche photodiode | Eitaro Ishimura, Masaharu Nakaji | 2017-05-02 |
| 9557485 | System and method for manipulating polarizations of optical signal | Keisuke Kojima, Manuela Felicetti, Toshiaki Koike-Akino, Bingnan Wang, Satoshi Nishikawa | 2017-01-31 |
| 9128242 | Mode-evolution compound converter | Keisuke Kojima, Wangqing Yuan, Bingnan Wang | 2015-09-08 |
| 9116298 | Multi-mode interference device | Keisuke Kojima, Selman Ozbayat, Toshiaki Koike-Akino, Bingnan Wang, Satoshi Nishikawa | 2015-08-25 |
| 9097852 | Multi-mode interference device | Toshiaki Koike-Akino, Keisuke Kojima, Bingnan Wang, Satoshi Nishikawa | 2015-08-04 |
| 9052461 | Compound optical combiner | Keisuke Kojima, Bingnan Wang, Toshiaki Koike-Akino, Satoshi Nishikawa | 2015-06-09 |
| 8987125 | Method for manufacturing semiconductor device | Hiroyuki Okazaki, Takuma Nanjo, Yosuke Suzuki, Akifumi Imai, Muneyoshi Suita | 2015-03-24 |
| 8698268 | Avalanche photodiode and method for manufacturing the avalanche photodiode | Eitaro Ishimura, Masaharu Nakaji | 2014-04-15 |