Issued Patents All Time
Showing 1–25 of 87 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12327983 | Wavelength-variable laser | Hirokazu Itoh, Satoshi Irino, Yuichiro Irie, Taketsugu SAWAMURA | 2025-06-10 |
| 12009636 | Wavelength-variable laser | Hirokazu Itoh, Satoshi Irino, Yuichiro Irie, Taketsugu SAWAMURA | 2024-06-11 |
| 11605935 | Wavelength-variable laser | Hirokazu Itoh, Satoshi Irino, Yuichiro Irie, Taketsugu SAWAMURA | 2023-03-14 |
| 11581706 | Wavelength-variable laser | Hirokazu Itoh, Satoshi Irino, Yuichiro Irie, Taketsugu SAWAMURA | 2023-02-14 |
| 11525425 | Air cleaner | Noritake Ito, Mihiro Kataoka | 2022-12-13 |
| 11322912 | Semiconductor laser array, semiconductor laser element, semiconductor laser module, and wavelength-variable laser assembly | Akira Itoh, Kazuaki Kiyota | 2022-05-03 |
| 11162539 | Constant velocity joint and assembly method therefor | Yasuharu Bono, Taisuke Sakakibara, Taichi Sasaki | 2021-11-02 |
| 10944236 | Optical unit, fixing mechanism for optical unit, and semiconductor laser module | Hidehiro Taniguchi | 2021-03-09 |
| 10938183 | Wavelength-variable laser | Hirokazu Itoh, Satoshi Irino, Yuichiro Irie, Taketsugu SAWAMURA, Masaki Funabashi +1 more | 2021-03-02 |
| 10753008 | Nickel plated coating and method of manufacturing the same | Kenjiro Morimoto | 2020-08-25 |
| 10511150 | Wavelength-variable laser | Hirokazu Itoh, Satoshi Irino, Yuichiro Irie, Taketsugu SAWAMURA, Masaki Funabashi +1 more | 2019-12-17 |
| 10020638 | Optical semiconductor device, semiconductor laser module, and optical fiber amplifier | Hirokazu Itoh, Satoshi Irino, Yuichiro Irie, Taketsugu SAWAMURA | 2018-07-10 |
| 9711945 | Method of designing semiconductor laser device, method of designing raman amplifier, methods of manufacturing semiconductor laser device, semiconductor laser device, raman amplifier, and optical communication system | Hideaki Hasegawa, Noriyuki Yokouchi, Taketsugu SAWAMURA, Satoshi Irino | 2017-07-18 |
| 9601905 | Optical semiconductor device, semiconductor laser module, and optical fiber amplifier | Hirokazu Itoh, Satoshi Irino, Yuichiro Irie, Taketsugu SAWAMURA | 2017-03-21 |
| 9503774 | Information display device | Hisashi Tsuji | 2016-11-22 |
| 9349283 | Remote operation system and remote controller | Tetsuya Sato, Kouichi Matsumura | 2016-05-24 |
| 9083150 | Optical semiconductor device, semiconductor laser module, and optical fiber amplifier | Hirokazu Itoh, Satoshi Irino, Yuichiro Irie, Taketsugu SAWAMURA | 2015-07-14 |
| 9017830 | Shearing die and method for manufacturing the same | Kenji Yamamoto, Yasuhiro Hayashida | 2015-04-28 |
| 8746054 | Peel tester, method for evaluating impact peel characteristics, adhesive tape and mobile device | Hideki Akamatsu, Kaori Numa, Yasunori Sugihara | 2014-06-10 |
| 8732751 | Audio video system, control apparatus, output apparatus, and program | Masazumi Yamada | 2014-05-20 |
| 8689262 | Broadcast receiving device | Toshiki Yamamura | 2014-04-01 |
| 8601520 | Input and output switching device and input and output switching method | Makoto Funabiki, Tetsuya Sato | 2013-12-03 |
| 8547631 | Semiconductor optical amplifier | Hideaki Hasegawa, Masaki Funabashi, Noriyuki Yokouchi | 2013-10-01 |
| 8385379 | Optical semiconductor device and pumping light source for optical fiber amplifier | Naoki Tsukiji, Hidehiro Taniguchi, Satoshi Irino, Hirokazu Itoh, Harunobu Ikeda +2 more | 2013-02-26 |
| 8365232 | Method, device, system, program, and integrated circuit for wireless transmission | Makoto Funabiki, Tetsuya Sato | 2013-01-29 |