Issued Patents All Time
Showing 76–100 of 115 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8829605 | Semiconductor device having deep and shallow trenches | Keiji Wada, Toru Hiyoshi, Shinji Matsukawa | 2014-09-09 |
| 8829535 | Silicon carbide semiconductor device | Mitsuru Shimazu, Toru Hiyoshi, Keiji Wada | 2014-09-09 |
| 8809945 | Semiconductor device having angled trench walls | Keiji Wada, Toru Hiyoshi | 2014-08-19 |
| 8803252 | Silicon carbide semiconductor device | Keiji Wada, Toru Hiyoshi | 2014-08-12 |
| 8802552 | Method for manufacturing semiconductor device | Taku Horii | 2014-08-12 |
| 8803294 | Semiconductor device and method for manufacturing same | Shin Harada, Keiji Wada, Toru Hiyoshi | 2014-08-12 |
| 8796123 | Method of manufacturing silicon carbide semiconductor device | Shunsuke Yamada | 2014-08-05 |
| 8785301 | Method of cleaning silicon carbide semiconductor | Keiji Wada, Tomihito Miyazaki, Toru Hiyoshi, Satomi Itoh, Hiromu Shiomi | 2014-07-22 |
| 8772139 | Method of manufacturing semiconductor device | Toru Hiyoshi | 2014-07-08 |
| 8772113 | Method for manufacturing silicon carbide semiconductor device | Yu Saitoh, Kenji Hiratsuka | 2014-07-08 |
| 8765617 | Method of manufacturing semiconductor device | — | 2014-07-01 |
| 8765562 | Method for manufacturing silicon carbide semiconductor device | Toru Hiyoshi, Keiji Wada | 2014-07-01 |
| 8765557 | Method for manufacturing silicon carbide semiconductor device | Hideki Hayashi | 2014-07-01 |
| 8765523 | Method for manufacturing semiconductor device including Schottky electrode | Keiji Wada | 2014-07-01 |
| 8728877 | Method for manufacturing silicon carbide semiconductor device with a single crystal substrate | Keiji Wada | 2014-05-20 |
| 8697555 | Method of producing semiconductor device and semiconductor device | Kazuhiro Fujikawa, Shin Harada, Yasuo Namikawa | 2014-04-15 |
| D701843 | Semiconductor device | — | 2014-04-01 |
| 8686438 | Silicon carbide semiconductor device and method for manufacturing same | Toru Hiyoshi, Keiji Wada | 2014-04-01 |
| 8686435 | Silicon carbide semiconductor device | Toru Hiyoshi, Keiji Wada | 2014-04-01 |
| 8686434 | Silicon carbide semiconductor device and method for manufacturing the same | Shin Harada, Keiji Wada, Masato Tsumori | 2014-04-01 |
| 8648349 | Semiconductor device | Misako Honaga | 2014-02-11 |
| 8610132 | Semiconductor device and method for manufacturing semiconductor device | Keiji Wada, Toru Hiyoshi | 2013-12-17 |
| 8610131 | Silicon carbide insulated-gate bipolar transistor | Keiji Wada, Misako Honaga, Toru Hiyoshi | 2013-12-17 |
| 8609521 | Method of manufacturing semiconductor device | Ryosuke Kubota, Keiji Wada, Hiromu Shiomi | 2013-12-17 |
| D692843 | Semiconductor device | — | 2013-11-05 |