Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10389239 | Power conversion device with protection device and method of controlling the same | Kaoru Sugimoto, Shusuke Kaya, Takezo Sugimura | 2019-08-20 |
| 9911842 | Nitride semiconductor device, production method thereof, diode, and field effect transistor | Kazuyuki UMENO, Shinya Otomo, Keishi Takaki, Jiang Li, Takuya Kokawa +3 more | 2018-03-06 |
| 9653589 | Semiconductor multi-layer substrate, semiconductor device, and method for manufacturing the same | Kazuyuki UMENO, Tatsuyuki Shinagawa, Keishi Takaki, Shinya Ootomo | 2017-05-16 |
| 9276066 | Semiconductor multi-layer substrate and semiconductor element | Kazuyuki UMENO, Tatsuyuki Shinagawa, Keishi Takaki, Ryohei Makino, Jiang Li | 2016-03-01 |
| 8941149 | Semiconductor device | Jiang Li, Keishi Takaki, Yoshihiro IKURA | 2015-01-27 |
| 8834267 | Avatar useable in multiple games that changes appearance according to the game being played | Takahiro Fujii, Haruko Yamazaki, Eri Maruyama, Hiroshi Harada, Toshiaki Tarumi | 2014-09-16 |