Issued Patents All Time
Showing 1–25 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12191105 | Switch device | Hisao Miyazaki, Hisashi Yoshida | 2025-01-07 |
| 12165858 | Thermionic power generation element and thermionic power generation module | Masaya YAMAMITSU, Hisao Miyazaki, Hisashi Yoshida, Hiroshi Tomita, Souichi Ueno +2 more | 2024-12-10 |
| 12046461 | Power generation element | Hisashi Yoshida, Hisao Miyazaki | 2024-07-23 |
| 11855579 | Power generation element | Hisashi Yoshida, Hisao Miyazaki, Hiroshi Tomita, Souichi Ueno, Takeshi Hoshi +1 more | 2023-12-26 |
| 11805698 | Power generation element and power generation system | Hisashi Yoshida, Hisao Miyazaki, Hiroshi Tomita, Souichi Ueno, Takeshi Hoshi | 2023-10-31 |
| 11758812 | Power generation element, power generation module, power generation device, and power generation system | Hisashi Yoshida | 2023-09-12 |
| 11664182 | Electron emitting element and power generation element | Hisashi Yoshida, Hisao Miyazaki, Hiroshi Tomita, Souichi Ueno, Takeshi Hoshi | 2023-05-30 |
| 11657997 | Electron-emitting element | Hisashi Yoshida | 2023-05-23 |
| 11476354 | Power generation element | Hisashi Yoshida, Hisao Miyazaki | 2022-10-18 |
| 11387069 | Electron-emitting electrode including multiple diamond members and magnetron including same | Hisashi Yoshida, Hisao Miyazaki | 2022-07-12 |
| 11276758 | Semiconductor device, inverter circuit, driving device, vehicle, and elevator having a reduced on-resistance with a silicon carbide layer | Tatsuo Shimizu, Toshiyuki Oshima, Ryosuke Iijima, Hisashi Yoshida | 2022-03-15 |
| 11276774 | Semiconductor device, inverter circuit, driving device, vehicle, and elevator | Tatsuo Shimizu, Toshiyuki Oshima, Ryosuke Iijima, Hisashi Yoshida | 2022-03-15 |
| 11075262 | Semiconductor device | Hisashi Yoshida, Tatsuo Shimizu, Ryosuke Iijima | 2021-07-27 |
| 11024487 | Current switch device including first and second electrodes and first and second grids | Hisao Miyazaki, Hisashi Yoshida | 2021-06-01 |
| 10991575 | Semiconductor device with partial regions having impunity concentrations selected to obtain a high threshold voltage | Hisashi Yoshida | 2021-04-27 |
| 10886747 | Power generation element, power generation module, power generation device, and power generation system | Hisashi Yoshida | 2021-01-05 |
| 10861944 | Semiconductor device and method for manufacturing the same | Hisashi Yoshida, Tatsuo Shimizu, Ryosuke Iijima | 2020-12-08 |
| 10707396 | Power generation element, power generation module, power generation device, and power generation system | Koji Mizuguchi | 2020-07-07 |
| 10707310 | Semiconductor device | Hisashi Yoshida | 2020-07-07 |
| 10707357 | Semiconductor device | Hisashi Yoshida | 2020-07-07 |
| 10707339 | Semiconductor device | Hisashi Yoshida | 2020-07-07 |
| 10629724 | Semiconductor device and method for manufacturing the same | Kenjiro Uesugi, Masahiko Kuraguchi | 2020-04-21 |
| 10505030 | Semiconductor device and method for manufacturing the same | Toshiki Hikosaka, Shinya Nunoue, Masahiko Kuraguchi | 2019-12-10 |
| 10483354 | Nitride semiconductor device | Kenjiro Uesugi, Toshiki Hikosaka | 2019-11-19 |
| 10475915 | Semiconductor device and method for manufacturing the same | Jumpei Tajima, Toshiki Hikosaka, Kenjiro Uesugi, Masahiko Kuraguchi, Shinya Nunoue | 2019-11-12 |