Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12303966 | Molding machines for flexible production of rebars of bottom, web, and top plates of precast small box girders and methods for using thereof | Chao-Hu Liang, Shihong Ding, Ze Xu, Liqiong Luo, Shiguang Lai +5 more | 2025-05-20 |
| 8159820 | Electric power conversion system | Satoshi Ibori, Koji Hamano, Tomoya Kamezawa, Masayuki Hirota, Masahiro Hiraga | 2012-04-17 |
| 7904254 | Power conversion apparatus and method of estimating power cycle life | Satoshi Ibori, Tomoya Kamezawa, Masayuki Hirota, Masahiro Hiraga | 2011-03-08 |
| 7518890 | AC/DC/AC converter with reduced inductance in the DC filter capacitors | Masayuki Hirota, Satoshi Ibori, Tomoya Kamezawa | 2009-04-14 |
| 7515422 | Electric power converter | Masayuki Hirota, Satoshi Ibori, Tomoya Kamezawa, Masahiro Hiraga | 2009-04-07 |