Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12061236 | Power conversion device, rotating machine system, and diagnosis method | Kohji Maki, Yoshitaka Iwaji, Hironori Ohashi | 2024-08-13 |
| 11870384 | Speed calculation device and power conversion device | Hiroshi Watanabe, Masataka Sasaki, Masahiro Hiraga, Yusuke Arao, Hiroyuki Tomita +2 more | 2024-01-09 |
| 11575338 | Power conversion device | Kazuaki Tobari, Agnes HADINATA, Hiroshi Watanabe, Yusaku Onuma, Takuya Sugimoto +1 more | 2023-02-07 |
| 11437944 | Power conversion device | Kazuaki Tobari, Yoshitaka Iwaji, Agnes HADINATA, Yusaku Onuma, Takuya Sugimoto +2 more | 2022-09-06 |
| 11424707 | Power conversion apparatus | Kazuaki Tobari, Yoshitaka Iwaji, Agnes HADINATA, Yusaku Onuma, Takuya Sugimoto | 2022-08-23 |
| 7920395 | Pulse width modulation method for a power converter | Seiji Ishida | 2011-04-05 |
| 7433403 | Pulse width modulation method for a power converter | Seiji Ishida | 2008-10-07 |
| 6007423 | Virtual course display method and game machine using the same | — | 1999-12-28 |
| 5816913 | Method and apparatus for measuring virtual time difference or virtual distance between mobile bodies, and storage medium storing programs for causing a computer to execute the method | — | 1998-10-06 |
| 5175483 | Method and an apparatus for computing moment of inertia in a motor speed controller, and a speed control method and apparatus for a motor | Hiroshi Fujii, Takatsugu Kambara, Satoshi Ibori | 1992-12-29 |