Issued Patents All Time
Showing 51–75 of 87 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8044492 | Compound semiconductor device including AIN layer of controlled skewness | Kenji Imanishi, Takeshi Tanaka, Yoshihiko Moriya, Yohei Otoki | 2011-10-25 |
| 8030164 | Compound semiconductor structure | Kenji Imanishi | 2011-10-04 |
| 8030638 | Quasi single crystal nitride semiconductor layer grown over polycrystalline SiC substrate | — | 2011-10-04 |
| 7989278 | Compound semiconductor device and method for fabricating the same | — | 2011-08-02 |
| 7948062 | Semiconductor device and method for manufacturing semiconductor device | Kozo Makiyama, Toshihiro Ohki, Masahito Kanamura | 2011-05-24 |
| 7875535 | Compound semiconductor device using SiC substrate and its manufacture | Kenji Imanishi | 2011-01-25 |
| 7859020 | Nitride semiconductor device, Doherty amplifier and drain voltage controlled amplifier | Kenji Imanishi | 2010-12-28 |
| 7838903 | Compound semiconductor device and the fabricating method of the same | Kenji Imanishi | 2010-11-23 |
| 7800133 | Semiconductor device and manufacturing method of the same | Masahito Kanamura | 2010-09-21 |
| 7795622 | Compound semiconductor device | Kenji Imanishi | 2010-09-14 |
| 7777251 | Compound semiconductor device and doherty amplifier using compound semiconductor device | Kenji Imanishi | 2010-08-17 |
| 7663162 | Compound semiconductor device and doherty amplifier using compound semiconductor device | Kenji Imanishi | 2010-02-16 |
| 7638819 | Compound semiconductor device and the fabricating method of the same | Kenji Imanishi | 2009-12-29 |
| 7560323 | Compound semiconductor device and method of fabricating the same | — | 2009-07-14 |
| 7494855 | Compound semiconductor device and method for fabricating the same | — | 2009-02-24 |
| 7407859 | Compound semiconductor device and its manufacture | Tokuharu Kimura | 2008-08-05 |
| 7224004 | Compound semiconductor device and method of fabricating the same | — | 2007-05-29 |
| 7132699 | Compound semiconductor device and its manufacture | Tokuharu Kimura | 2006-11-07 |
| 7002189 | Compound semiconductor device | — | 2006-02-21 |
| 6501105 | Compound semiconductor device | — | 2002-12-31 |
| 6465816 | Semiconductor device and manufacturing method of the same | — | 2002-10-15 |
| 6121153 | Semiconductor device having a regrowth crystal region | — | 2000-09-19 |
| 6020604 | Compound semiconductor device | — | 2000-02-01 |
| 5955742 | Semiconductor device formed on a substrate having an off-angle surface and a fabrication process thereof | — | 1999-09-21 |
| 5952672 | Semiconductor device and method for fabricating the same | — | 1999-09-14 |