Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11133880 | Computer system, method for estimating radio wave propagation characteristic in space, and computer | Hiroki Yamada, Yuichi Igarashi, Kenzaburo Fujishima, Takashi Yano | 2021-09-28 |
| 11127695 | Power conversion device for reducing an inductance difference between control signal wires of a power semiconductor and suppressing a current unbalancing of the control signals | Akihiro Namba, Takashi Hirao | 2021-09-21 |
| 11056415 | Semiconductor device | Takashi Hirao | 2021-07-06 |
| 10923793 | Antenna device, manhole cover equipped with antenna device, and power distribution panel equipped with same | Kenichi Mizugaki, Ryosuke Fujiwara, Rintaro Katayama | 2021-02-16 |