Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8421395 | Synchronous motor and control method of synchronous motor | Daisuke Maeda, Kenji Sakurai, Hiroyuki Hasegawa, Mitsuhiro Mishima | 2013-04-16 |
| 8035330 | Apparatus and method for driving synchronous motor | Daisuke Maeda, Tsunehiro Endo, Kenji Sakurai, Hiroyuki Hasegawa, Mitsuhiro Mishima | 2011-10-11 |
| 7839113 | Apparatus and method for driving synchronous motor | Daisuke Maeda, Tsunehiro Endo, Kenji Sakurai, Hiroyuki Hasegawa, Mitsuhiro Mishima | 2010-11-23 |
| 7342378 | System and method for driving synchronous motor | Kiyoshi Sakamoto, Tsunehiro Endo, Yoshiaki Ajima | 2008-03-11 |
| 7332882 | Motor drive device that combined charge controller | Shigehisa Aoyagi, Tsunehiro Endo, Yoshiki Ito | 2008-02-19 |
| 7148651 | Apparatus and method for controlling AC motor and module therefor | Kazuaki Tobari, Tsunehiro Endo, Yoshiki Itou | 2006-12-12 |
| 7075266 | Apparatus for controlling an a. c. motor | Kazuaki Tobari, Tsunehiro Endou, Yoshitaka Iwaji, Yasuo Notohara | 2006-07-11 |
| 6954050 | Control method and control device of permanent-magnet type synchronous motor | Kazuaki Tobari, Tsunehiro Endo, Yoshiyuki Taguchi, Tomofumi Okubo | 2005-10-11 |
| 5446645 | Inverter apparatus and uinterruptible power supply using the same | Yorito Jifuku, Akira Kobayashi, Keizo Shimada, Norikazu Tokunaga, Yoshimi Sakurai +3 more | 1995-08-29 |
| 5297015 | Power supply control system | Hideki Miyazaki, Ikuo Yamato, Kenichi Onda, Yasuo Matsuda, Yuzo Morita +2 more | 1994-03-22 |
| 5262935 | Parallel inverter control apparatus | Ikuo Yamato, Yoshimi Sakurai, Norikazu Tokunaga | 1993-11-16 |
| 5115386 | Circuit for controlling an electric power supply apparatus, a method therefor and an uninterruptible power supply | Ikuo Yamato, Norikazu Tokunaga, Yasuo Matsuda, Mitsufumi Iwanaka, Takeshi Nagano +1 more | 1992-05-19 |