Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12083844 | Air suspension system and camera cleaning system | Masaki Koyama, Kaito Hotta, Tsutomu Ito, Yoshinori Kawai, Takahiro Suzuki | 2024-09-10 |
| 11411522 | Linear motor system and compressor | Takahiro Suzuki, Shuhei Nagata, Masaki Koyama | 2022-08-09 |
| 11401924 | Linear compressor and linear compressor control system | Kaito Hotta, Masaki Koyama, Tsutomu Ito, Yoshinori Kawai | 2022-08-02 |
| 11329541 | Linear motor control apparatus and compressor equipped with the same | Takahiro Suzuki, Shuhei Nagata, Masaki Koyama | 2022-05-10 |
| 11171576 | Power conversion device and system using the same | Masaki Koyama, Shuhei Nagata, Takahiro Suzuki | 2021-11-09 |
| 10784809 | Linear motor system and compressor | Takahiro Suzuki, Shuhei Nagata, Masaki Koyama | 2020-09-22 |
| 10608570 | Power converter and refrigeration air conditioner | Yoji Ogura, Kazuhiro Ueta, Kenji Tamura | 2020-03-31 |
| 9748887 | Permanent magnet synchronous motor and winding-switching motor driving device, and refrigeration air conditioner and electric vehicle using same | Yasuo Notohara, Eri Maruyama, Ryouichi TAKAHATA | 2017-08-29 |
| 8344671 | Speed controller of magnetic motor | Kazuaki Tobari, Yasuo Notohara, Dongsheng Li, Kentaro Oi, Yuuji Funayama | 2013-01-01 |