Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11152210 | Semiconductor crystal substrate, infrared detector, and method for producing semiconductor crystal substrate | Shigekazu Okumura, Ryo Suzuki | 2021-10-19 |
| 11043517 | Semiconductor crystal substrate, infrared detector, method for producing semiconductor crystal substrate, and method for producing infrared detector | Shigekazu Okumura, Ryo Suzuki | 2021-06-22 |
| 10937647 | Semiconductor crystal substrate, infrared detector, and method for producing semiconductor crystal substrate | Shigekazu Okumura, Ryo Suzuki | 2021-03-02 |
| 10720455 | Semiconductor crystal substrate, infrared detector, method for producing semiconductor crystal substrate, and method for producing infrared detector | Shigekazu Okumura, Ryo Suzuki | 2020-07-21 |
| 9379230 | Semiconductor crystal substrate, manufacturing method of semiconductor crystal substrate, manufacturing method of semiconductor device, power unit, and amplifier | — | 2016-06-28 |
| 9196685 | Semiconductor device and manufacturing method thereof | Junji Kotani | 2015-11-24 |
| 9136344 | Manufacturing method of semiconductor device, semiconductor device, and semiconductor crystal growth substrate | — | 2015-09-15 |
| 8987117 | Semiconductor optical integrated device and method for fabricating the same | Shigekazu Okumura, Mitsuru Ekawa, Ayahito Uetake | 2015-03-24 |
| 8962409 | Semiconductor device and fabrication method | — | 2015-02-24 |
| 8592823 | Compound semiconductor device and method for manufacturing the same | Junji Kotani, Tetsuro Ishiguro | 2013-11-26 |
| 8565279 | Semiconductor optical integrated device and method for fabricating the same | Shigekazu Okumura, Mitsuru Ekawa, Ayahito Uetake | 2013-10-22 |
| 7598106 | Optical semiconductor device and fabrication method therefor | Tsuyoshi Yamamoto | 2009-10-06 |
| 6229409 | Surface acoustic wave matched filter | Kazuo Tsubouchi, Michio Yokoyama, Takumi Suetsugu, Yuichiro Imanishi, Tomohiko Shibata | 2001-05-08 |