Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12057416 | Semiconductor device with metal film on surface between passivation film and copper film | — | 2024-08-06 |
| 11916029 | Semiconductor device | Hirotaka Oomori | 2024-02-27 |
| 11616172 | Semiconductor light emitting device with frosted semiconductor layer | Masakazu Takao, Kazuhiko Senda | 2023-03-28 |
| 10608107 | Silicon carbide semiconductor device | Toru Hiyoshi, So Tanaka | 2020-03-31 |
| 10483435 | Semiconductor light emitting device | Masakazu Takao, Kazuhiko Senda | 2019-11-19 |
| 10192960 | Silicon carbide semiconductor device and method for manufacturing same | Keiji Wada, Takeyoshi Masuda, Hideto Tamaso, Yu Saitoh, Toru Hiyoshi | 2019-01-29 |
| 10056247 | Method of manufacturing silicon carbide semiconductor device | Hiroyuki Kitabayashi | 2018-08-21 |
| 10032961 | Semiconductor light emitting device | Masakazu Takao, Kazuhiko Senda | 2018-07-24 |
| 9831126 | Method of manufacturing semiconductor device, semiconductor substrate, and semiconductor device | — | 2017-11-28 |
| 9799506 | Breakdown voltage measuring method and method for manufacturing semiconductor device | — | 2017-10-24 |
| 9786819 | Semiconductor light emitting device | Masakazu Takao, Kazuhiko Senda | 2017-10-10 |
| 9647081 | Method for manufacturing silicon carbide semiconductor device | Keiji Wada, Takeyoshi Masuda | 2017-05-09 |
| 9640619 | Methods of manufacturing wide band gap semiconductor device and semiconductor module, and wide band gap semiconductor device and semiconductor module | — | 2017-05-02 |
| 9607905 | Method of measuring breakdown voltage of semiconductor element and method of manufacturing semiconductor element | Susumu Yoshimoto | 2017-03-28 |
| 9450145 | Semiconductor light emitting device | Masakazu Takao, Kazuhiko Senda | 2016-09-20 |
| 9397155 | Silicon carbide semiconductor device | Keiji Wada, Toru Hiyoshi, Masaki Furumai, Kosuke Uchida | 2016-07-19 |
| 9224816 | Silicon carbide semiconductor device | Keiji Wada, Toru Hiyoshi, Masaki Furumai, Kosuke Uchida | 2015-12-29 |
| 9196808 | Semiconductor light emitting device | Masakazu Takao, Kazuhiko Senda | 2015-11-24 |
| 9018650 | Semiconductor light emitting device | Masakazu Takao, Kazuhiko Senda | 2015-04-28 |
| 8536598 | Semiconductor light emitting device and fabrication method for the same | Masakazu Takao, Kazuhiko Senda | 2013-09-17 |
| 8198645 | Semiconductor light emitting device and method for manufacturing the same | — | 2012-06-12 |
| 8124985 | Semiconductor light emitting device and method for manufacturing the same | Atsushi Yamaguchi, Ken Nakahara, Masayuki Sonobe, Tsuyoshi Tsutsui | 2012-02-28 |
| 8106412 | Semiconductor light emitting device and fabrication method for the same | Masakazu Takao, Kazuhiko Senda | 2012-01-31 |
| 8093606 | Nitride semiconductor light emitting device | Masayuki Sonobe, Norikazu Ito | 2012-01-10 |
| 8039864 | Semiconductor light emitting device and fabrication method for the same | Masakazu Takao, Shunji Nakata | 2011-10-18 |