Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12424820 | Laser diode driving circuit | Tan Nhat HOANG | 2025-09-23 |
| 12413044 | Semiconductor light emitting device | Satohiro Kigoshi, Yuki Tanuma, Gen MUTO, Minoru Murayama, Okimoto Kondo +1 more | 2025-09-09 |
| 12387679 | Light emitting device | — | 2025-08-12 |
| 11990455 | Semiconductor device | Hiroyuki Sakairi, Ken Nakahara | 2024-05-21 |
| 11848315 | Semiconductor light-emitting device | Kanako Mimori, Okimoto Kondo | 2023-12-19 |
| D975666 | Semiconductor module | Okimoto Kondo | 2023-01-17 |
| D974311 | Semiconductor module | Okimoto Kondo | 2023-01-03 |
| 11482918 | Gate drive circuit | Yuta OKAWAUCHI, Ken Nakahara | 2022-10-25 |
| 11394288 | Negative voltage generation circuit and power conversion device using same | Yuta OKAWAUCHI, Ken Nakahara, Shinichiro Nagai, Yuuki Ootabara | 2022-07-19 |
| 11095217 | Ripple injection circuit and electronic device equipped with this circuit | Junichi Kashiwagi, Atsushi Yamaguchi, Yohei Moriyama, Yuta OKAWAUCHI, Ken Nakahara | 2021-08-17 |
| 11011970 | Gate drive circuit | Yuta OKAWAUCHI, Ken Nakahara | 2021-05-18 |
| 10886859 | Alternating-current power supply device with windings wound in different directions | Hirotaka OTAKE, Mamoru Tsuruya | 2021-01-05 |
| 10749520 | Power circuit and power module using MISFET having control circuit disposed between gate and source | Hirotaka OTAKE, Tatsuya YANAGI | 2020-08-18 |
| 10320380 | Power circuit and power module using MISFET having control circuit disposed between gate and source | Hirotaka OTAKE, Tatsuya YANAGI | 2019-06-11 |
| 9819275 | Power supply device | Hirotaka OTAKE, Mamoru Tsuruya | 2017-11-14 |
| 9819338 | Power circuit and power module using MISFET having control circuit disposed between gate and source | Hirotaka OTAKE, Tatsuya YANAGI | 2017-11-14 |