Issued Patents All Time
Showing 1–25 of 99 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12173636 | Internal combustion engine | Yuichiro Joh, Haruya Kitano, Taiki KATAYAMA | 2024-12-24 |
| 11891935 | Exhaust gas purification apparatus | Yuichiro Joh, Taiki KATAYAMA, Haruya Kitano | 2024-02-06 |
| 11876450 | Electronic circuit for supplying current to switching device and electronic apparatus | — | 2024-01-16 |
| 11381185 | Power control circuit and power generation system including the same | Atsuro Oonishi, Yoshiyuki Ishihara, Hiroshi Takahashi | 2022-07-05 |
| 10734994 | Gate control circuit, power supply circuit, and inverter circuit | — | 2020-08-04 |
| 10615726 | Power generation system | Atsuro Oonishi, Hiroshi Takahashi | 2020-04-07 |
| 10461236 | Thermoelectric generator | Taichi Ogawa | 2019-10-29 |
| 10333399 | Power activation control circuit and power activation control device | — | 2019-06-25 |
| 10263433 | Power supply device, power supply system, and sensor system | Kohei Onizuka | 2019-04-16 |
| 10211730 | DC-DC converter | Yosuke Toyama, Taichi Ogawa, Tetsuro Itakura, Osamu Watanabe, Takayuki Miyazaki | 2019-02-19 |
| 10158240 | Electrical storage device and wireless system | Toshiyuki Umeda | 2018-12-18 |
| 10056837 | DC-DC converter and power source device | Yosuke Toyama, Taichi Ogawa, Tetsuro Itakura, Osamu Watanabe, Takayuki Miyazaki | 2018-08-21 |
| 10027378 | Power reception device, power transmission device, and wireless power transmission system | Toshiyuki Umeda, Hideo Kasami | 2018-07-17 |
| 9997998 | Electronic circuit and boost converter | Taichi Ogawa, Tetsuro Itakura, Osamu Watanabe, Takayuki Miyazaki, Yosuke Toyama | 2018-06-12 |
| 9917516 | DC-DC converter with input voltage responsive lookup table control | Taichi Ogawa, Tetsuro Itakura, Osamu Watanabe, Takayuki Miyazaki | 2018-03-13 |
| 9912235 | Boost converter | Taichi Ogawa, Tetsuro Itakura, Osamu Watanabe, Takayuki Miyazaki | 2018-03-06 |
| 9728975 | Power supply unit that outputs electric power to a load together with another power supply unit | Tetsuro Itakura, Takafumi Sakamoto, Toshihisa Nabetani | 2017-08-08 |
| 9595863 | Inverter control circuit and inverter circuit | Tetsuro Itakura, Ikuya Aoyama | 2017-03-14 |
| 9559582 | Switching power supply circuit | Taichi Ogawa, Tetsuro Itakura, Takayuki Miyazaki | 2017-01-31 |
| 9411351 | DC-to-DC converter | — | 2016-08-09 |
| 9313325 | Telephone transmission system, telephone transmission server and display unit | — | 2016-04-12 |
| 9256241 | Reference voltage generating apparatus and switching power apparatus | Taichi Ogawa, Shoji Ootaka, Tetsuro Itakura, Takayuki Miyazaki | 2016-02-09 |
| 9236798 | DC-DC converter control circuit and DC-DC converter | — | 2016-01-12 |
| 9231413 | Wireless power transmission device | Kohei Onizuka | 2016-01-05 |
| 9225168 | Switching power supply device and control circuit thereof | Taichi Ogawa, Tetsuro Itakura | 2015-12-29 |