Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11652451 | Power amplifier device | Kaname Motoyoshi, Shingo Matsuda | 2023-05-16 |
| 11456712 | Power amplifier device | Kaname Motoyoshi, Shingo Matsuda | 2022-09-27 |
| 11171480 | Switching power supply device and semiconductor device | Tomoko Usukura | 2021-11-09 |
| 10651759 | Switching power supply device and semiconductor device | Masatoshi TANIOKU | 2020-05-12 |
| 10630188 | Switching power supply apparatus and semiconductor device | Kensuke Takahashi | 2020-04-21 |
| 10630186 | Switching power supply device and semiconductor device | Toshifumi Ishida | 2020-04-21 |
| 10630187 | Switching power supply device and semiconductor device | Kensuke Takahashi | 2020-04-21 |
| 10284101 | Switching power supply apparatus and semiconductor device | Kensuke Takahashi | 2019-05-07 |
| 10033286 | Switching power supply apparatus and semiconductor device | Kensuke Takahashi | 2018-07-24 |
| 9893546 | Direct current power supply circuit | — | 2018-02-13 |
| 9871457 | Switching power supply device | Tatsuya Sakurai, Yoshihisa Minami, Keita Kawabe | 2018-01-16 |
| 9685871 | Switching power supply apparatus and semiconductor device | Kensuke Takahashi | 2017-06-20 |
| 9496795 | Switching power supply apparatus | Naohiko Morota, Tatsuya Sakurai, Keita Kawabe, Kazuhiro Murata, Koji Suzuki +1 more | 2016-11-15 |
| 9425678 | Switching power supply apparatus and semiconductor device | Kensuke Takahashi | 2016-08-23 |
| 9246402 | Converter and semiconductor device | Tatsuya Sakurai, Tetsuyuki Fukushima | 2016-01-26 |
| 9184664 | Semiconductor device provided with switching power supply device with intermittent oscillation control | — | 2015-11-10 |
| 8339816 | Semiconductor device and switching power supply apparatus | — | 2012-12-25 |
| 8274802 | Energy transmission device and semiconductor device for energy transmission control | Tetsuji Yamashita, Yoshihiro Mori | 2012-09-25 |
| 8063418 | Semiconductor device | Hiroto Yamagiwa, Saichiro Kaneko | 2011-11-22 |
| 8031496 | Driving circuit for power switching device, driving method thereof, and switching power supply apparatus | — | 2011-10-04 |
| 7744696 | Method for preparing borate-based crystal and laser oscillation apparatus | Takatomo Sasaki, Yusuke Mori, Masashi Yoshimura, Muneyuki Nishioka, Satoru Fukumoto +1 more | 2010-06-29 |
| 7732833 | High-voltage semiconductor switching element | Hiroto Yamagiwa | 2010-06-08 |