Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10992269 | Compound semiconductor device with high power and reduced off-leakage and method for manufacturing the same | Tetsuro Ishiguro, Atsushi Yamada, Junji Kotani, Kozo Makiyama | 2021-04-27 |
| 10847642 | Compound semiconductor device and fabrication method | Tetsuro Ishiguro, Junji Kotani | 2020-11-24 |
| 10651305 | Compound semiconductor device with quantum well structure, power supply device, and high-frequency amplifier | Junji Kotani, Hisao Shigematsu | 2020-05-12 |
| 10622469 | Compound semiconductor device and method for manufacturing the same | Junji Kotani | 2020-04-14 |
| 10600901 | Compound semiconductor device and manufacturing method thereof | Junji Kotani, Tetsuro Ishiguro | 2020-03-24 |
| 10431656 | Semiconductor crystal substrate with Fe doping | Tetsuro Ishiguro, Atsushi Yamada, Junji Kotani | 2019-10-01 |
| 10270404 | Compound semiconductor device and method of manufacturing the same | Tetsuro Ishiguro, Atsushi Yamada | 2019-04-23 |
| 10262946 | Wiring substrate and semiconductor device | Yusuke Gozu, Yuta Sakaguchi, Noriyoshi Shimizu | 2019-04-16 |
| 10242936 | Semiconductor device and method of fabricating the semiconductor device | Junji Kotani | 2019-03-26 |
| 10032899 | Semiconductor device and method therefor including multiple cap layers with amorphous layer | Junji Kotani | 2018-07-24 |
| 9997594 | Gallium nitride based high electron mobility transistor (GaN-HEMT) device with an iron-doped cap layer and method of manufacturing the same | Tetsuro Ishiguro, Atsushi Yamada | 2018-06-12 |
| 9981485 | Printing method and printing device | Akira Ikeda, Moe Ito | 2018-05-29 |
| 9920428 | Film deposition method | Shoichi Miyahara, Hiroshi Chiba | 2018-03-20 |
| 9831310 | Compound semiconductor device, method for producing the same, power-supply unit, and high-frequency amplifier | Junji Kotani | 2017-11-28 |
| 9691890 | Compound semiconductor device and manufacturing method thereof | Atsushi Yamada, Junji Kotani | 2017-06-27 |
| 9608083 | Semiconductor device | Shirou Ozaki, Masahito Kanamura, Toyoo Miyajima, Masayuki Takeda, Keiji Watanabe +4 more | 2017-03-28 |
| 9567674 | Film deposition apparatus and film deposition method | Shoichi Miyahara, Hiroshi Chiba | 2017-02-14 |
| 9548365 | Semiconductor device and method for manufacturing semiconductor device | Junji Kotani | 2017-01-17 |
| 9502525 | Compound semiconductor device and method of manufacturing the same | Tetsuro Ishiguro, Atsushi Yamada, Kenji Imanishi | 2016-11-22 |
| 9332647 | Etching method | — | 2016-05-03 |
| 9324808 | Semiconductor device, power-supply unit, amplifier and method of manufacturing semiconductor device | Shirou Ozaki, Masayuki Takeda, Keiji Watanabe | 2016-04-26 |
| 9312341 | Compound semiconductor device, power source device and high frequency amplifier and method for manufacturing the same | Tetsuro Ishiguro | 2016-04-12 |
| 9269799 | Semiconductor apparatus | Tetsuro Ishiguro, Atsushi Yamada | 2016-02-23 |
| 9184241 | Semiconductor apparatus | Tetsuro Ishiguro, Atsushi Yamada | 2015-11-10 |
| 9166031 | Semiconductor device | Junji Kotani | 2015-10-20 |