Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10651774 | Inverter and motor drive device, freezing device | Dongsheng Li, Yuuji Yamamoto | 2020-05-12 |
| 9748887 | Permanent magnet synchronous motor and winding-switching motor driving device, and refrigeration air conditioner and electric vehicle using same | Eri Maruyama, Wataru Hatsuse, Ryouichi TAKAHATA | 2017-08-29 |
| 8847534 | Converter, motor driving module, and refrigerating apparatus | Dongsheng Li | 2014-09-30 |
| 8531148 | Control apparatus and control method for AC electric motor | Satoshi Sumita, Kazuaki Tobari, Daisuke Maeda | 2013-09-10 |
| 8344671 | Speed controller of magnetic motor | Kazuaki Tobari, Wataru Hatsuse, Dongsheng Li, Kentaro Oi, Yuuji Funayama | 2013-01-01 |
| 8305020 | Electric power conversion device, compressor motor with the device, and air conditioner with the motor | Takahiro Suzuki, Kiyoshi Sakamoto | 2012-11-06 |
| 7944720 | Semiconductor integrated circuit, PWM signal output device, and power conversion control apparatus | Takahiro Suzuki, Tsunehiro Endo, Yuji Mori | 2011-05-17 |
| 7839663 | Converter and power converter that becomes it with the converter | Takahiro Suzuki, Yoshitaka Iwaji, Tsunehiro Endo, Yoshiaki Kurita, Tatsuo Ando +1 more | 2010-11-23 |
| 7471525 | Converter and power converter that becomes it with the converter | Takahiro Suzuki, Yoshitaka Iwaji, Tsunehiro Endo, Yoshiaki Kurita, Tatsuo Ando +1 more | 2008-12-30 |
| 7075266 | Apparatus for controlling an a. c. motor | Kazuaki Tobari, Tsunehiro Endou, Yoshitaka Iwaji, Hidefumi Shirahama | 2006-07-11 |
| 6626002 | Controller for PWM/PAM motor, air conditioner, and method of motor control | Yukio Kawabata, Kazuo Tahara, Makoto Ishii, Yuhachi Takakura, Hiroshi Shinozaki | 2003-09-30 |
| 6603280 | Motor controller | Yukio Kawabata, Kazuo Tahara, Makoto Ishii, Yuhachi Takakura | 2003-08-05 |
| 6519959 | Air conditioner | Houng Joong Kim | 2003-02-18 |
| 6479956 | Brushless motor control device and equipment using the control device | Yukio Kawabata, Kazuo Tahara, Yuhachi Takakura, Makoto Ishii, Hiroshi Shinozaki | 2002-11-12 |
| 6397611 | Air conditioner and brushless motor control unit | Ikuo Yamato, Akihiro Tanba, Tadashi Fukushima | 2002-06-04 |
| 6337548 | Control apparatus of brushless motor and machine and apparatus using brushless motor | Yukio Kawabata, Kazuo Tahara | 2002-01-08 |
| 6198240 | Motor controller | Yukio Kawabata, Kazuo Tahara, Makoto Ishii, Yuhachi Takakura | 2001-03-06 |
| 6191545 | Control apparatus of brushless motor and machine and apparatus using brushless motor | Yukio Kawabata, Kazuo Tahara | 2001-02-20 |
| 6075328 | PWM/PAM control mode switching type motor control apparatus, and motor drive and air-conditioner using the same | Yukio Kawabata, Makoto Ishii, Hiroshi Shinozaki, Kouji Katou, Yuhachi Takakura | 2000-06-13 |
| 5929591 | Air conditioner | Kouji Katou, Toru Inoue, Makoto Ishii, Yuhachi Takakura, Yukio Kawabata +4 more | 1999-07-27 |
| 5463299 | Current controller for controlling a current flowing in a load using a PWM inverter and method used thereby | Motoo Futami, Tunehiro Endo, Tooru Kitayama | 1995-10-31 |
| 5359278 | Zero current switching circuit and converting apparatus using the same | Motoo Futami, Kazuo Tahara, Tsunehiro Endo | 1994-10-25 |
| 5050057 | Power source apparatus | Tsunehiro Endo, Koujirou Yamashita, Motoo Futami, Shigeru Kishi | 1991-09-17 |