| 12101034 |
Power converter apparatus converting input power having a predetermined voltage into output power having a predetermined output voltage over wide range with higher efficiency |
Akira Kato, Kazuyuki Sakiyama, Takehiko Yamakawa, Taiki Nishimoto |
2024-09-24 |
| 11855375 |
Power conversion device and component interconnection structure |
Toshihiko Bessho, Eiji Nishimura, Shinya Kimura, Shigeru Nakabayashi, Manabu Egawa +1 more |
2023-12-26 |
| 11705260 |
Magnetic device including winding and insulators, and power conversion device using the same |
Yoshitake Nakagawa, Takehiko Yamakawa, Akira Kato, Kazuyuki Sakiyama |
2023-07-18 |
| 11373828 |
Electromagnetic relay and control method thereof |
Akira Kato, Kazuyuki Sakiyama, Takehiko Yamakawa |
2022-06-28 |
| 11342858 |
Power converter apparatus including LLC resonant circuits and wide range of output voltage with higher efficiency |
Atsushi Yamamoto |
2022-05-24 |
| 11336095 |
Power transmission system including multiphase alternating-current power supplies and loads, and capable of transmitting power between different types of power supplies and loads |
Masahiro Yamaoka, Atsushi Yamamoto, Taiki Nishimoto |
2022-05-17 |
| 11201472 |
Power transmission system capable of preventing power transmission efficiency from degrading due to frequency mismatch and loss of synchronization |
Masahiro Yamaoka, Atsushi Yamamoto, Taiki Nishimoto |
2021-12-14 |
| 11038355 |
Power transmission system preventing power transmission efficiency from degrading due to delay, and capable of reducing effects of high frequency noise |
Masahiro Yamaoka, Atsushi Yamamoto, Taiki Nishimoto |
2021-06-15 |
| 11038373 |
Power transmission system including power transmitter apparatus, power receiver apparatus, or power transmitter and receiver apparatus easily attachable and detachable to/from transmission path |
Atsushi Yamamoto, Taiki Nishimoto, Masahiro Yamaoka |
2021-06-15 |
| 11018509 |
Power transmission system capable of synchronizing power transmitter apparatus having multiple operation modes, with power receiver apparatus having multiple operation |
Taiki Nishimoto, Masahiro Yamaoka, Atsushi Yamamoto |
2021-05-25 |
| 10784716 |
Power transmission system preventing power transmission efficiency from degrading due to delay |
Atsushi Yamamoto, Masahiro Yamaoka, Taiki Nishimoto |
2020-09-22 |
| 10186977 |
Resonant power converter |
Masahiro Yamaoka, Takehiko Yamakawa |
2019-01-22 |