Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12283899 | Power conversion device | Tenjiro HIWATARI, Sota Sano, Kiyoshi Ohishi, Yuki Yokokura, Yuto Kobayashi | 2025-04-22 |
| 11953555 | Abnormality diagnosis device, abnormality diagnosis method, and abnormality diagnosis system | Makoto Kanemaru, Takuya Ohkubo, Sota Sano, Satoru Terashima | 2024-04-09 |
| 11626825 | Rotary machine control device, refrigerant compression device, refrigeration cycle apparatus, and air conditioner | Akane HONGYO | 2023-04-11 |
| 11594993 | Rotary machine controller, refrigerant compressor, refrigeration cycle system, and air conditioner | Akane HONGYO, Kenji Takahashi, Kazunori Hatakeyama | 2023-02-28 |
| 11581839 | Rotary-machine control device, refrigerant compression apparatus, and air conditioner | Akane HONGYO, Kenji Takahashi | 2023-02-14 |
| 11489478 | Power conversion device | Sota Sano, Shinsaku Kusube | 2022-11-01 |
| 11177757 | Power conversion device | Sota Sano, Kiyoshi Ohishi, Yuki Yokokura, Tenjiro HIWATARI | 2021-11-16 |
| 10473367 | Heat pump apparatus | Tetsuhide Yokoyama, Yosuke Shinomoto, Shogo MOROE, Masashi Fujitsuka, Takeshi Mori +3 more | 2019-11-12 |
| 10411633 | Control device for AC rotating machine | Yosuke Hachiya, Masato Ito, Hisanori Yamasaki | 2019-09-10 |
| 10236818 | Drive and control apparatus for multiple-winding motor | Keiko Tada, Yuriko Okamoto, Hiromitsu Suzuki, Masahiko TSUKAKOSHI, Ritaka Nakamura +1 more | 2019-03-19 |
| 10103674 | Drive control apparatus for multiple-winding motor | Yuriko Okamoto, Hiromitsu Suzuki, Masahiko TSUKAKOSHI, Ritaka Nakamura | 2018-10-16 |
| 8750009 | Controller of a power converter that uses pulse width modulation | Shinichi Furutani, Jun Sawaki | 2014-06-10 |
| 8537580 | Controller of power converter | Shinichi Furutani, Jun Sawaki | 2013-09-17 |
| 8324768 | Rotational angle detection device and method for permanent magnet dynamo-electric machine and electric power steering device | Masatsugu Nakano, Kanji Shinkawa, Hiroyuki Akita, Sachiko Kawasaki | 2012-12-04 |
| 7768803 | Control device for power converter | Shinichi Furutani, Jun Sawaki | 2010-08-03 |
| 7554281 | Synchronous machine control apparatus | Atsuo Haishi | 2009-06-30 |
| 7161324 | Device for estimating pole position of synchronous motor | Yoshihiko Kinpara, Toshiyuki Kaitani | 2007-01-09 |
| 7145311 | Vector control device of winding field type synchronous machine | Atsuo Haishi, Masaru Kobayashi | 2006-12-05 |
| 6984959 | Wound field synchronous machine control device | Atsuo Haishi, Masaru Kobayashi | 2006-01-10 |
| 6731095 | Controller for multiplex winding motor | Shigeki Mizuno, Hiroshi Araki | 2004-05-04 |
| 5545943 | Variable air-gap type driving device | Yoshitaka Onishi, Sotsuo Miyoshi | 1996-08-13 |