Issued Patents All Time
Showing 51–75 of 90 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9184276 | Method and apparatus for manufacturing silicon carbide semiconductor device | Takeyoshi Masuda, Keiji Wada, Satomi Itoh | 2015-11-10 |
| 9184056 | Semiconductor device and method for manufacturing semiconductor device | Takeyoshi Masuda, Keiji Wada | 2015-11-10 |
| 9177804 | Silicon carbide semiconductor device | Takeyoshi Masuda, Keiji Wada | 2015-11-03 |
| 9178021 | Silicon carbide semiconductor device | Kosuke Uchida, Takashi Tsuno | 2015-11-03 |
| 9153661 | Semiconductor device and method for manufacturing same | Keiji Wada | 2015-10-06 |
| 9147731 | Silicon carbide semiconductor device and method for manufacturing same | Kosuke Uchida, Takeyoshi Masuda | 2015-09-29 |
| 9099553 | Semiconductor device and method for manufacturing same | Takeyoshi Masuda, Keiji Wada | 2015-08-04 |
| 9012922 | Silicon carbide semiconductor device and method for manufacturing same | Takeyoshi Masuda, Keiji Wada | 2015-04-21 |
| 9012335 | Silicon carbide semiconductor device and method for manufacturing the same | Takeyoshi Masuda, Keiji Wada | 2015-04-21 |
| 9006745 | Semiconductor device and fabrication method thereof | Takeyoshi Masuda, Keiji Wada | 2015-04-14 |
| 9000447 | Silicon carbide semiconductor device | Keiji Wada, Takeyoshi Masuda | 2015-04-07 |
| 8987124 | Method of manufacturing Schottky barrier diode | Tomihito Miyazaki | 2015-03-24 |
| 8981385 | Silicon carbide semiconductor device | Keiji Wada, Takeyoshi Masuda | 2015-03-17 |
| 8969993 | Wide gap semiconductor device and method for manufacturing same | Keiji Wada, Takeyoshi Masuda | 2015-03-03 |
| 8963234 | Semiconductor device | Takeyoshi Masuda, Keiji Wada | 2015-02-24 |
| 8952393 | Silicon carbide semiconductor device | Keiji Wada, Takeyoshi Masuda | 2015-02-10 |
| 8921932 | Semiconductor device | Takeyoshi Masuda, Keiji Wada | 2014-12-30 |
| 8878192 | Silicon carbide semiconductor device | Keiji Wada, Takeyoshi Masuda | 2014-11-04 |
| 8866262 | Vertical semiconductor device having silicon carbide substrate | Keiji Wada | 2014-10-21 |
| 8829535 | Silicon carbide semiconductor device | Mitsuru Shimazu, Keiji Wada, Takeyoshi Masuda | 2014-09-09 |
| 8829605 | Semiconductor device having deep and shallow trenches | Takeyoshi Masuda, Keiji Wada, Shinji Matsukawa | 2014-09-09 |
| 8809945 | Semiconductor device having angled trench walls | Keiji Wada, Takeyoshi Masuda | 2014-08-19 |
| 8803294 | Semiconductor device and method for manufacturing same | Takeyoshi Masuda, Shin Harada, Keiji Wada | 2014-08-12 |
| 8803252 | Silicon carbide semiconductor device | Keiji Wada, Takeyoshi Masuda | 2014-08-12 |
| 8785301 | Method of cleaning silicon carbide semiconductor | Keiji Wada, Takeyoshi Masuda, Tomihito Miyazaki, Satomi Itoh, Hiromu Shiomi | 2014-07-22 |