Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8952642 | Power conversion device and temperature rise calculation method thereof | Hideki Ayano, Katsumi Ishikawa, Kazutoshi Ogawa, Tsutomu Kominami | 2015-02-10 |
| 8860213 | Power converter | Tsutomu Kominami, Katsumi Ishikawa, Yosuke Yasuda, Sunao Funakoshi | 2014-10-14 |
| 8829838 | Power converter | Hideki Ayano, Katsumi Ishikawa, Kazutoshi Ogawa, Tsutomu Kominami | 2014-09-09 |