Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8952642 | Power conversion device and temperature rise calculation method thereof | Katsumi Ishikawa, Kazutoshi Ogawa, Tsutomu Kominami, Mami Kunihiro | 2015-02-10 |
| 8829838 | Power converter | Katsumi Ishikawa, Kazutoshi Ogawa, Tsutomu Kominami, Mami Kunihiro | 2014-09-09 |
| 7104363 | Power transmission system for elevator | Kazuhisa Mori, Kouki Yamamoto, Ikuo Yamato, Hiromi Inaba, Hirokazu Nagura +1 more | 2006-09-12 |
| 6525510 | Vehicle operating system | Hiromi Inaba, Ikuo Yamato, Kouki Yamamoto | 2003-02-25 |
| 6408986 | Charger for elevator call devices | Hiromi Inaba, Sadao Hokari, Atsuya Fujino | 2002-06-25 |
| 6377479 | Power conversion system | Akira Mishima, Satoru Inarida | 2002-04-23 |
| 5831842 | Active common mode canceler | Satoshi Ogasawara, Hirofumi Akagi | 1998-11-03 |