Issued Patents All Time
Showing 1–25 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12283922 | Manufacturing method for compound semiconductor device | — | 2025-04-22 |
| 11791384 | Semiconductor device | Junya Yaita, Junji Kotani, Atsushi Yamada | 2023-10-17 |
| 11688663 | Semiconductor device, semiconductor device fabrication method, and electronic device | Shirou Ozaki, Toshihiro Ohki, Junya Yaita | 2023-06-27 |
| 11646366 | Semiconductor device | Shirou Ozaki, Atsushi Yamada, Junji Kotani | 2023-05-09 |
| 11094813 | Compound semiconductor device, method of manufacturing compound semiconductor device, and amplifier | — | 2021-08-17 |
| 11024730 | Nitride semiconductor device and manufacturing method for the same | — | 2021-06-01 |
| 10992269 | Compound semiconductor device with high power and reduced off-leakage and method for manufacturing the same | Tetsuro Ishiguro, Atsushi Yamada, Junji Kotani, Norikazu Nakamura | 2021-04-27 |
| 10964805 | Compound semiconductor device | Shirou Ozaki, Yuichi Minoura, Yusuke Kumazaki, Toshihiro Ohki, Naoya Okamoto | 2021-03-30 |
| 10916645 | Compound semiconductor device including protective layer and ohmic electrode | — | 2021-02-09 |
| 10804358 | Compound semiconductor device and method with high concentration dopant layer in regrown compound semiconductor | Yuichi Minoura | 2020-10-13 |
| 10796917 | Method for manufacturing gate insulator for HEMT | Shirou Ozaki, Naoya Okamoto | 2020-10-06 |
| 10727305 | Semiconductor device and fabrication method therefor, and high-frequency amplifier | — | 2020-07-28 |
| 10312094 | AlOx/InOx gate insulator for HEMT | Shirou Ozaki, Naoya Okamoto | 2019-06-04 |
| 10263103 | Semiconductor apparatus | — | 2019-04-16 |
| 10249749 | Semiconductor device and method for manufacturing the same | — | 2019-04-02 |
| 10217829 | Compound semiconductor device including diffusion preventing layer to suppress current collapse phenomenon, method of manufacturing compound semiconductor device, power supply unit, and amplifier | — | 2019-02-26 |
| 10199489 | Compound semiconductor device and method of manufacturing compound semiconductor device | — | 2019-02-05 |
| 10008572 | Compound semiconductor device, power supply unit, and amplifier | — | 2018-06-26 |
| 10002942 | Semiconductor device and method of manufacturing semiconductor device | Shirou Ozaki | 2018-06-19 |
| 9941401 | Semiconductor device, power supply apparatus and high-frequency amplifier | Shirou Ozaki, Naoya Okamoto | 2018-04-10 |
| 9929262 | 3-5 device with doped regions and method of fabricating | Masato Nishimori | 2018-03-27 |
| 9779933 | Semiconductor device and method of manufacturing semiconductor device | Shirou Ozaki | 2017-10-03 |
| 9722037 | Compound semiconductor device and manufacturing method of the same | — | 2017-08-01 |
| 9647084 | Semiconductor device and method of manufacturing the same | Shirou Ozaki, Naoya Okamoto, Toshihiro Ohki | 2017-05-09 |
| 9548383 | HEMT with a metal film between the gate electrode and the drain electrode | — | 2017-01-17 |