Issued Patents All Time
Showing 1–25 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12369346 | Nitride semiconductor device and fabrication method therefor | Kenji Yamamoto, Tetsuya Fujiwara, Minoru Akutsu, Norikazu Ito | 2025-07-22 |
| 11990455 | Semiconductor device | Hiroyuki Sakairi, Yusuke NAKAKOHARA | 2024-05-21 |
| 11885763 | Gas concentration measurement system and gas concentration measurement method | Shunsuke Akasaka, Yurina Amamoto | 2024-01-30 |
| 11777024 | Nitride semiconductor device and fabrication method therefor | Kenji Yamamoto, Tetsuya Fujiwara, Minoru Akutsu, Norikazu Ito | 2023-10-03 |
| 11692860 | Thermal flow sensor | Shunsuke Akasaka, Yurina Amamoto, Keisuke Wakamoto | 2023-07-04 |
| 11482918 | Gate drive circuit | Yuta OKAWAUCHI, Yusuke NAKAKOHARA | 2022-10-25 |
| 11394288 | Negative voltage generation circuit and power conversion device using same | Yusuke NAKAKOHARA, Yuta OKAWAUCHI, Shinichiro Nagai, Yuuki Ootabara | 2022-07-19 |
| 11393905 | Nitride semiconductor device | Norikazu Ito, Taketoshi TANAKA | 2022-07-19 |
| 11095217 | Ripple injection circuit and electronic device equipped with this circuit | Junichi Kashiwagi, Atsushi Yamaguchi, Yohei Moriyama, Yuta OKAWAUCHI, Yusuke NAKAKOHARA | 2021-08-17 |
| 11011970 | Gate drive circuit | Yuta OKAWAUCHI, Yusuke NAKAKOHARA | 2021-05-18 |
| 10991818 | Nitride semiconductor device and fabrication method therefor | Kenji Yamamoto, Tetsuya Fujiwara, Minoru Akutsu, Norikazu Ito | 2021-04-27 |
| 10686064 | Nitride semiconductor device and fabrication method therefor | Kenji Yamamoto, Tetsuya Fujiwara, Minoru Akutsu, Norikazu Ito | 2020-06-16 |
| 10256335 | Nitride semiconductor device and fabrication method therefor | Kenji Yamamoto, Tetsuya Fujiwara, Minoru Akutsu, Norikazu Ito | 2019-04-09 |
| 9837521 | Nitride semiconductor device and fabrication method therefor | Kenji Yamamoto, Tetsuya Fujiwara, Minoru Akutsu, Norikazu Ito | 2017-12-05 |
| 9806824 | Wireless power supply receiver-transmitter device, wireless power supply receiver and wireless power supply transmitter | Masayuki Kitagawa | 2017-10-31 |
| 8975645 | Optical filter | Shunsuke Akasaka, Koki SAKAMOTO, Tetsuo Fujii, Shunsuke FURUSE, Soichiro Arimura | 2015-03-10 |
| 8946727 | Zinc oxide based compound semiconductor device | Kentaro Tamura | 2015-02-03 |
| 8941105 | Zinc oxide based compound semiconductor light emitting device | — | 2015-01-27 |
| 8795184 | Wireless plethysmogram sensor unit, a processing unit for plethysmogram and a plethysmogram system | Daisuke Niwa, Koji Terumoto, Kazuhiro Oguchi, Masahide Tanaka | 2014-08-05 |
| 8610133 | Photodetection device | Shunsuke Akasaka, Koki SAKAMOTO, Tetsuo Fujii, Shunsuke FURUSE, Soichiro Arimura | 2013-12-17 |
| 8410478 | p-Type MgZnO-based thin film and semiconductor light emitting device | Hiroyuki Yuji, Kentaro Tamura, Shunsuke Akasaka, Masashi Kawasaki, Akira Ohtomo +1 more | 2013-04-02 |
| 8304795 | Semiconductor light emitting device with concave-convex pattern and method for manufacturing the same | Atsushi Yamaguchi | 2012-11-06 |
| 8247793 | ZnO-based thin film and ZnO-based semiconductor element | Shunsuke Akasaka, Masashi Kawasaki, Akira Ohtomo, Atsushi Tsukazaki | 2012-08-21 |
| 8154036 | Nitride semiconductor device | — | 2012-04-10 |
| 8124985 | Semiconductor light emitting device and method for manufacturing the same | Mitsuhiko Sakai, Atsushi Yamaguchi, Masayuki Sonobe, Tsuyoshi Tsutsui | 2012-02-28 |