Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8969920 | Vertical GaN-based semiconductor device | Makoto Kiyama, Masaya Okada, Masaki Ueno, Seiji Yaegashi, Kazutaka Inoue +1 more | 2015-03-03 |
| 8941174 | Semiconductor device and method for producing the same | Masaya Okada, Makoto Kiyama, Seiji Yaegashi, Mitsunori Yokoyama, Kazutaka Inoue | 2015-01-27 |
| 8927368 | Method for manufacturing silicon carbide semiconductor device | Takeyoshi Masuda, Hideki Hayashi | 2015-01-06 |
| 8896058 | Semiconductor device and method for producing same | Masaya Okada, Makoto Kiyama, Seiji Yaegashi, Mitsunori Yokoyama, Kazutaka Inoue | 2014-11-25 |
| 8890239 | Semiconductor device and method for producing the same | Seiji Yaegashi, Makoto Kiyama, Mitsunori Yokoyama, Kazutaka Inoue, Masaya Okada | 2014-11-18 |
| 8816398 | Semiconductor device and method for producing the same | Makoto Kiyama, Masaya Okada, Seiji Yaegashi, Kazutaka Inoue, Mitsunori Yokoyama | 2014-08-26 |
| 8772113 | Method for manufacturing silicon carbide semiconductor device | Takeyoshi Masuda, Kenji Hiratsuka | 2014-07-08 |
| 8502310 | III nitride semiconductor electronic device, method for manufacturing III nitride semiconductor electronic device, and III nitride semiconductor epitaxial wafer | Hiromu Shiomi, Kazuhide Sumiyoshi, Makoto Kiyama | 2013-08-06 |
| 8349078 | Method of forming nitride semiconductor epitaxial layer and method of manufacturing nitride semiconductor device | Hiromu Shiomi, Kazuhide Sumiyoshi, Akihiro Hachigo, Makoto Kiyama, Seiji Nakahata | 2013-01-08 |
| 7998836 | Method for fabricating gallium nitride based semiconductor electronic device | Hiromu Shiomi, Shinsuke Fujiwara, Makoto Kiyama | 2011-08-16 |