Issued Patents All Time
Showing 1–25 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12369345 | Compound semiconductor device, amplifier, and method for manufacturing compound semiconductor device | Shirou Ozaki, Junji Kotani, Naoya Okamoto | 2025-07-22 |
| 12193151 | High-frequency circuit board and antenna module | Shirou Ozaki, Naoya Okamoto, Yoshihiro Nakata, Yusuke Kumazaki, Naoki Hara | 2025-01-07 |
| 11688663 | Semiconductor device, semiconductor device fabrication method, and electronic device | Shirou Ozaki, Kozo Makiyama, Junya Yaita | 2023-06-27 |
| 11387357 | Compound semiconductor device, method for manufacturing the same and amplifier | Shirou Ozaki | 2022-07-12 |
| 11088044 | Compound semiconductor device and fabrication method therefor, and amplifier | Shirou Ozaki | 2021-08-10 |
| 11038045 | Semiconductor device | — | 2021-06-15 |
| 10964805 | Compound semiconductor device | Shirou Ozaki, Kozo Makiyama, Yuichi Minoura, Yusuke Kumazaki, Naoya Okamoto | 2021-03-30 |
| 10483185 | Semiconductor device and method for manufacturing same | Yuichi Minoura, Naoya Okamoto | 2019-11-19 |
| 9685547 | Semiconductor apparatus including barrier film provided between electrode and protection film | — | 2017-06-20 |
| 9647084 | Semiconductor device and method of manufacturing the same | Shirou Ozaki, Naoya Okamoto, Kozo Makiyama | 2017-05-09 |
| 9608083 | Semiconductor device | Shirou Ozaki, Masahito Kanamura, Norikazu Nakamura, Toyoo Miyajima, Masayuki Takeda +4 more | 2017-03-28 |
| 9564527 | Semiconductor device and manufacturing method of semiconductor device | Masato Nishimori, Tadahiro Imada | 2017-02-07 |
| 9553152 | Semiconductor device | Lei Zhu, Naoya Okamoto, Yuichi Minoura, Shirou Ozaki | 2017-01-24 |
| 9496380 | Compound semiconductor device comprising compound semiconductor layered structure having buffer layer and method of manufacturing the same | Yuichi Minoura, Toshihide Kikkawa | 2016-11-15 |
| 9379229 | Semiconductor apparatus including protective film on gate electrode and method for manufacturing the semiconductor apparatus | — | 2016-06-28 |
| 9276100 | Semiconductor device having a gate recess structure | Hiroshi Endo, Toshihide Kikkawa | 2016-03-01 |
| 9269782 | Semiconductor device | Masahito Kanamura, Toyoo Miyajima | 2016-02-23 |
| 9257514 | Semiconductor device with plural electrodes formed on substrate | Shirou Ozaki, Naoya Okamoto, Kozo Makiyama | 2016-02-09 |
| 9209042 | Compound semiconductor device and manufacturing method therefor | Naoya Okamoto, Kozo Makiyama, Yuichi Minoura, Shirou Ozaki, Toyoo Miyajima | 2015-12-08 |
| 9123793 | Method for manufacturing semiconductor apparatus having fluorine containing region formed in recessed portion of semiconductor layer | Hiroshi Endo | 2015-09-01 |
| 9099351 | Compound semiconductor device and method of manufacturing the same | Masato Nishimori, Tadahiro Imada | 2015-08-04 |
| 9093512 | Compound semiconductor device | — | 2015-07-28 |
| 9035353 | Compound semiconductor device comprising electrode above compound semiconductor layer and method of manufacturing the same | Naoya Okamoto, Yuichi Minoura, Kozo Makiyama, Shirou Ozaki | 2015-05-19 |
| 9035357 | Compound semiconductor device and manufacturing method therefor | Kozo Makiyama, Naoya Okamoto, Yuichi Minoura, Shirou Ozaki, Toyoo Miyajima | 2015-05-19 |
| 8969919 | Field-effect transistor | Naoya Okamoto | 2015-03-03 |