Sakai; Kazuto
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sakai; Kazuto.The latest application filed is for "rotary electric system".
Company Profile
2.41.26
- Sakai; Kazuto - Yokosuka JP
- SAKAI; Kazuto - Yokosuka-shi JP
- Sakai; Kazuto - Minato-ku JP
- Sakai; Kazuto - Kanagawa N/A JP
- Sakai; Kazuto - Kanagawa-ken JP
- Sakai; Kazuto - Kanagawaken JP
- Sakai, Kazuto - Tokyo JP
Patent Activity
| Patent | Date |
|---|---|
| Rotary electric system Grant 11,050,373 - Sakai June 29, 2 | 2021-06-29 |
| Rotary Electric System App 20190379312 - SAKAI; Kazuto | 2019-12-12 |
| Variable-flux motor drive system Grant 9,680,406 - Yuuki , et al. June 13, 2 | 2017-06-13 |
| Permanent magnet electric motor Grant 9,496,774 - Hashiba , et al. November 15, 2 | 2016-11-15 |
| Permanent magnet electric motor Grant 9,490,684 - Hashiba , et al. November 8, 2 | 2016-11-08 |
| Permanent magnet electric motor Grant 9,373,992 - Hashiba , et al. June 21, 2 | 2016-06-21 |
| Variable-flux motor drive system Grant 8,884,576 - Yuuki , et al. November 11, 2 | 2014-11-11 |
| Variable magnetic flux motor drive system Grant 8,860,356 - Yuuki , et al. October 14, 2 | 2014-10-14 |
| Permanent Magnet Electric Motor App 20140285051 - Hashiba; Yutaka ; et al. | 2014-09-25 |
| Permanent Magnet Electric Motor App 20140283372 - HASHIBA; Yutaka ; et al. | 2014-09-25 |
| Permanent Magnet Electric Motor App 20140283374 - HASHIBA; Yutaka ; et al. | 2014-09-25 |
| Permanent magnet electric motor Grant 8,796,898 - Hashiba , et al. August 5, 2 | 2014-08-05 |
| Variable-flux Motor Drive System App 20140184133 - Yuuki; Kazuaki ; et al. | 2014-07-03 |
| Permanent magnet electric motor inducing short circuit current in short circuit coil Grant 8,674,575 - Sakai , et al. March 18, 2 | 2014-03-18 |
| Permanent magnet electric motor Grant 8,653,710 - Takahashi , et al. February 18, 2 | 2014-02-18 |
| Permanent magnet electric motor Grant 8,624,457 - Sakai , et al. January 7, 2 | 2014-01-07 |
| Variable-flux Motor Drive System App 20130334991 - YUUKI; Kazuaki ; et al. | 2013-12-19 |
| Permanent-magnet type electric rotating machine Grant 8,569,921 - Sakai , et al. October 29, 2 | 2013-10-29 |
| Variable-flux motor drive system Grant 8,552,678 - Yuuki , et al. October 8, 2 | 2013-10-08 |
| Rotor for rotating electrical machine Grant 8,362,668 - Takahashi , et al. January 29, 2 | 2013-01-29 |
| Permanent magnet rotating electrical machine and permanent magnet motor drive system Grant 8,334,667 - Sakai , et al. December 18, 2 | 2012-12-18 |
| Permanent-magnet-type rotating electrical machine Grant 8,330,404 - Sakai , et al. December 11, 2 | 2012-12-11 |
| Permanent-magnet-type rotating electrical machine and permanent magnet motor drive system Grant 8,269,390 - Sakai , et al. September 18, 2 | 2012-09-18 |
| Permanent-magnet Type Electric Rotating Machine App 20120217833 - SAKAI; Kazuto ; et al. | 2012-08-30 |
| Variable-flux Motor Drive System App 20120181970 - Yuuki; Kazuaki ; et al. | 2012-07-19 |
| Variable-flux motor drive system Grant 8,179,068 - Yuuki , et al. May 15, 2 | 2012-05-15 |
| Permanent Magnet Electric Motor App 20120091848 - Sakai; Kazuto ; et al. | 2012-04-19 |
| Permanent Magnet Electric Motor App 20110309706 - Takahashi; Norio ; et al. | 2011-12-22 |
| Permanent Magnet Electric Motor App 20110304235 - Hashiba; Yutaka ; et al. | 2011-12-15 |
| Permanent-magnet-type rotating electrical machine Grant 8,044,548 - Sakai , et al. October 25, 2 | 2011-10-25 |
| Rotor of permanent-magnet-type rotating electrical machine Grant 8,030,817 - Sakai , et al. October 4, 2 | 2011-10-04 |
| Permanent Magnet Electric Motor App 20110175478 - Sakai; Kazuto ; et al. | 2011-07-21 |
| Permanent-magnet-type Rotating Electrical Machine App 20100327787 - Sakai; Kazuto ; et al. | 2010-12-30 |
| Permanent-magnet-type Rotating Electrical Machine And Permanent Magnet Motor Drive System App 20100327689 - Sakai; Kazuto ; et al. | 2010-12-30 |
| Rotor For Rotating Electrical Machine App 20100301697 - Takahashi; Norio ; et al. | 2010-12-02 |
| Permanent-magnet reluctance electrical rotary machine Grant 7,804,216 - Takahashi , et al. September 28, 2 | 2010-09-28 |
| Variable Magnetic Flux Drive System App 20100201294 - Yuuki; Kazuaki ; et al. | 2010-08-12 |
| Rotor Of Permanent-magnet-type Rotating Electrical Machine App 20100171385 - Sakai; Kazuto ; et al. | 2010-07-08 |
| Rotating electrical machine Grant 7,705,503 - Takahashi , et al. April 27, 2 | 2010-04-27 |
| Permanent Magnet Rotating Electrical Machine And Permanent Magnet Motor Drive System App 20100060223 - Sakai; Kazuto ; et al. | 2010-03-11 |
| Rotating Electrical Machine App 20090261679 - Sakai; Kazuto ; et al. | 2009-10-22 |
| Variable-flux Motor Drive System App 20090261774 - Yuuki; Kazuaki ; et al. | 2009-10-22 |
| Permanent-magnet-type Rotating Electrical Machine App 20090236923 - Sakai; Kazuto ; et al. | 2009-09-24 |
| Permanent-magnet Reluctance Electrical Rotary Machine App 20080093944 - TAKAHASHI; Norio ; et al. | 2008-04-24 |
| Rotating electrical machine App 20070052313 - Takahashi; Norio ; et al. | 2007-03-08 |
| Permanent magnet type electric motor Grant 6,803,692 - Hattori , et al. October 12, 2 | 2004-10-12 |
| Permanent magnet reluctance motor with embedded permanent magnet holes Grant 6,794,784 - Takahashi , et al. September 21, 2 | 2004-09-21 |
| Reluctance type rotating machine with permanent magnets Grant 6,552,462 - Sakai , et al. April 22, 2 | 2003-04-22 |
| Permanent magnet type electric motor App 20020109429 - Hattori, Tomoyuki ; et al. | 2002-08-15 |
| Reluctance type rotating machine with permanent magnets App 20020047436 - Sakai, Kazuto ; et al. | 2002-04-25 |
| Permanent magnet reluctance motor App 20020047435 - Takahashi, Norio ; et al. | 2002-04-25 |
| Reluctance type rotating machine with permanent magnets Grant 6,342,745 - Sakai , et al. January 29, 2 | 2002-01-29 |
| Permanent magnet and reluctance type rotating machine Grant 6,329,734 - Takahashi , et al. December 11, 2 | 2001-12-11 |
| Reluctance type rotating machine with permanent magnets Grant 6,274,960 - Sakai , et al. August 14, 2 | 2001-08-14 |
| Rotor for permanent magnet type rotating machine Grant 6,268,677 - Takabatake , et al. July 31, 2 | 2001-07-31 |
| Permanent magnet type electrical rotating machine Grant 6,265,801 - Hashiba , et al. July 24, 2 | 2001-07-24 |
| Reluctance type rotating machine with permanent magnets Grant 6,087,751 - Sakai July 11, 2 | 2000-07-11 |
| Permanent magnet type rotating machine Grant 5,808,392 - Sakai , et al. September 15, 1 | 1998-09-15 |
| Axial-gap rotary-electric machine Grant 5,619,087 - Sakai April 8, 1 | 1997-04-08 |
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