Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10340662 | Quantum cascade laser | Yasuhiko Arakawa | 2019-07-02 |
| 10340663 | Quantum cascade laser | Yasuhiko Arakawa | 2019-07-02 |
| 10038306 | Nitride semiconductor device and quantum cascade laser using the same | Yasuhiko Arakawa | 2018-07-31 |
| 9871147 | Photodetector | Yasuhiko Arakawa, Tetsu Tatsuma | 2018-01-16 |
| 9664819 | Optical element, and antireflective structure and process for production thereof | Noboru Iwata, Tazuko Kitazawa, Yoshiteru Murakami | 2017-05-30 |
| 9324902 | Semiconductor light-emitting element | — | 2016-04-26 |
| 9066095 | Display control device, display control method, display control program, computer-readable recording medium, recording/playback device equipped with abovementioned display control device, speech output device, and recording/playback device equipped with speech output device | Hideharu Tajima, Shigemi Maeda, Yasuhiro Harada, Atsushi Etoh | 2015-06-23 |
| 8982194 | Image watching glasses identification device, image watching system, pair of image watching glasses, image watching glasses identification program, computer-readable recording medium, and display device | Go Mori, Hideharu Tajima, Shigemi Maeda, Tetsuya Okumura, Takashi Arimoto +2 more | 2015-03-17 |
| 8582406 | Information recording device detecting issues in a laser included therein and a method of controlling the same | Takanobu Sato, Noboru Iwata, Tazuko Kitazawa | 2013-11-12 |
| 8254213 | Near-field light generating device and optically-assisted magnetic recording device with absorbing waveguide | — | 2012-08-28 |
| 8058773 | Ultrasonic motor and ultrasonic vibrator | Masaki Hamamoto | 2011-11-15 |
| 7932660 | Ultrasonic motor | Masaki Hamamoto | 2011-04-26 |