KOKAMI; Yasuhiko
Patent Applications and Registrations
Patent applications and USPTO patent grants for KOKAMI; Yasuhiko.The latest application filed is for "dc-dc converter".
Company Profile
1.36.38
- KOKAMI; Yasuhiko - Tokyo JP
- Kokami; Yasuhiko - Takasaki JP
Patent Activity
| Patent | Date |
|---|---|
| Dc-dc Converter App 20210249958 - IDA; Masayuki ; et al. | 2021-08-12 |
| Current detection circuit and semiconductor device including the same Grant 10,302,681 - Otsuka , et al. | 2019-05-28 |
| Current Detection Circuit And Semiconductor Device Including The Same App 20170212154 - OTSUKA; Masanori ; et al. | 2017-07-27 |
| Motor driving apparatus and method for control of motor revolution Grant 8,569,983 - Kurosawa , et al. October 29, 2 | 2013-10-29 |
| Control device for synchronous motor Grant 8,362,727 - Iwaji , et al. January 29, 2 | 2013-01-29 |
| Drive system of synchronous motor Grant 8,258,732 - Iwaji , et al. September 4, 2 | 2012-09-04 |
| Drive system of synchronous motor Grant 8,232,751 - Iwaji , et al. July 31, 2 | 2012-07-31 |
| Power supply unit Grant 8,004,349 - Yamashita , et al. August 23, 2 | 2011-08-23 |
| Motor Driving Apparatus And Method For Control Of Motor Revolution App 20110156625 - KUROSAWA; Minoru ; et al. | 2011-06-30 |
| Control Device for Synchronous Motor App 20110074324 - Iwaji; Yoshitaka ; et al. | 2011-03-31 |
| Motor driving apparatus and method for control of motor revolution Grant 7,915,844 - Kurosawa , et al. March 29, 2 | 2011-03-29 |
| Power Supply Unit App 20110063021 - YAMASHITA; Osamu ; et al. | 2011-03-17 |
| Power supply unit Grant 7,859,324 - Yamashita , et al. December 28, 2 | 2010-12-28 |
| Control device for synchronous motor Grant 7,859,209 - Iwaji , et al. December 28, 2 | 2010-12-28 |
| VCM driver and PWM amplifier Grant 7,848,044 - Kokami , et al. December 7, 2 | 2010-12-07 |
| Synchronous motor control device Grant 7,847,500 - Iwaji , et al. December 7, 2 | 2010-12-07 |
| Vcm Driver And Pwm Amplifier App 20100177444 - Kokami; Yasuhiko ; et al. | 2010-07-15 |
| Drive control device of motor and a method of start-up Grant 7,750,586 - Kurosawa , et al. July 6, 2 | 2010-07-06 |
| Drive control device of motor and a method of start-up Grant 7,723,937 - Kurosawa , et al. May 25, 2 | 2010-05-25 |
| VCM driver and PWM amplifier Grant 7,710,678 - Kokami , et al. May 4, 2 | 2010-05-04 |
| Drive System Of Synchronous Motor App 20100066284 - IWAJI; Yoshitaka ; et al. | 2010-03-18 |
| Power Supply Unit App 20090212851 - YAMASHITA; Osamu ; et al. | 2009-08-27 |
| Drive System Of Synchronous Motor App 20090200971 - IWAJI; Yoshitaka ; et al. | 2009-08-13 |
| Vcm Driver And Pwm Amplifier App 20090080115 - Kokami; Yasuhiko ; et al. | 2009-03-26 |
| Motor Driving Apparatus And Method For Control Of Motor Revolution App 20090072773 - KUROSAWA; Minoru ; et al. | 2009-03-19 |
| Switching regulator Grant 7,492,132 - Kuroiwa , et al. February 17, 2 | 2009-02-17 |
| Drive Control Device Of Motor And A Method Of Start-up App 20080297082 - Kurosawa; Minoru ; et al. | 2008-12-04 |
| Drive control device of motor and a method of start-up Grant 7,411,365 - Kurosawa , et al. August 12, 2 | 2008-08-12 |
| Synchronous motor control device App 20080143288 - Iwaji; Yoshitaka ; et al. | 2008-06-19 |
| Drive Control Device Of Motor And A Method Of Start-up App 20080100243 - KUROSAWA; Minoru ; et al. | 2008-05-01 |
| Control device for synchronous motor App 20080061726 - Iwaji; Yoshitaka ; et al. | 2008-03-13 |
| Motor drive device and integrated circuit device for motor driving Grant 7,294,982 - Kurosawa , et al. November 13, 2 | 2007-11-13 |
| Motor drive semiconductor integrated circuit and magnetic disk storage apparatus Grant 7,280,308 - Kokami October 9, 2 | 2007-10-09 |
| Motor drive semiconductor integrated circuit and magnetic disk storage apparatus App 20070195451 - Kokami; Yasuhiko | 2007-08-23 |
| Switching regulator App 20070035281 - Kuroiwa; Hiroshi ; et al. | 2007-02-15 |
| Magnetic disk storage system Grant 7,158,332 - Kokami January 2, 2 | 2007-01-02 |
| Magnetic disk storage apparatus App 20060227448 - Kimura; Reiichi ; et al. | 2006-10-12 |
| Motor drive device and integrated circuit device for motor driving Grant 7,088,063 - Kurosawa , et al. August 8, 2 | 2006-08-08 |
| Motor drive device and integrated circuit device for motor driving App 20060158142 - Kurosawa; Minoru ; et al. | 2006-07-20 |
| Rotation drive control circuit of multiphases direct current motor and the start-up method thereof Grant 7,071,640 - Kurosawa , et al. July 4, 2 | 2006-07-04 |
| Magnetic disk storage system Grant 7,054,089 - Kokami May 30, 2 | 2006-05-30 |
| Drive control device of motor and a method of start-up App 20060082336 - Kurosawa; Minoru ; et al. | 2006-04-20 |
| Magnetic disk storage system App 20060072237 - Kokami; Yasuhiko | 2006-04-06 |
| Motor drive device and motor drive integrated circuit device Grant 6,998,801 - Kurosawa , et al. February 14, 2 | 2006-02-14 |
| Magnetic disc storage apparatus Grant 6,975,479 - Kokami , et al. December 13, 2 | 2005-12-13 |
| Magnetic disk memory system Grant 6,972,918 - Kokami , et al. December 6, 2 | 2005-12-06 |
| Motor drive semiconductor integrated circuit and magnetic disk storage apparatus App 20050218853 - Kokami, Yasuhiko | 2005-10-06 |
| Motor drive device and motor drive integrated circuit device App 20050189891 - Kurosawa, Minoru ; et al. | 2005-09-01 |
| Drive control system for sensor-less motor App 20050189892 - Kokami, Yasuhiko ; et al. | 2005-09-01 |
| Magnetic disc storage apparatus Grant 6,903,894 - Kokami , et al. June 7, 2 | 2005-06-07 |
| Drive control system for sensor-less motor Grant 6,900,604 - Kokami , et al. May 31, 2 | 2005-05-31 |
| Motor drive device and integrated circuit device for motor driving App 20050067986 - Kurosawa, Minoru ; et al. | 2005-03-31 |
| Magnetic disk storage apparatus App 20050036228 - Kimura, Reiichi ; et al. | 2005-02-17 |
| Magnetic disk storage apparatus Grant 6,801,382 - Kimura , et al. October 5, 2 | 2004-10-05 |
| Drive control system for sensor-less motor Grant 6,771,033 - Kokami , et al. August 3, 2 | 2004-08-03 |
| Magnetic disk storage apparatus Grant 6,757,129 - Kuroiwa , et al. June 29, 2 | 2004-06-29 |
| Magnetic disk storage system App 20040100722 - Kokami, Yasuhiko | 2004-05-27 |
| Rotation drive control circuit of multiphases direct current motor and the start-up method thereof App 20040080293 - Kurosawa, Minoru ; et al. | 2004-04-29 |
| Magnetic disk memory system App 20030227707 - Kokami, Yasuhiko ; et al. | 2003-12-11 |
| Drive control system for sensor-less motor App 20030107338 - Kokami, Yasuhiko ; et al. | 2003-06-12 |
| Drive control system for sensor-less motor App 20030107337 - Kokami, Yasuhiko ; et al. | 2003-06-12 |
| Semiconductor integrated circuit for brushless motor drive control and brushless motor drive control apparatus Grant 6,563,286 - Seki , et al. May 13, 2 | 2003-05-13 |
| Magnetic disc storage apparatus App 20020181142 - Kokami, Yasuhiko ; et al. | 2002-12-05 |
| Magnetic disk storage apparatus App 20020181141 - Kuroiwa, Hiroshi ; et al. | 2002-12-05 |
| Magnetic disk storage apparatus App 20020181137 - Kimura, Reiichi ; et al. | 2002-12-05 |
| Semiconductor integrated circuit for brushless motor drive control and brushless motor drive control apparatus App 20020079860 - Seki, Kunio ; et al. | 2002-06-27 |
| Magnetic disc storage apparatus App 20020071199 - Kokami, Yasuhiko ; et al. | 2002-06-13 |
| Semiconductor integrated circuit for brushless motor drive control and brushless motor drive control apparatus Grant 6,344,721 - Seki , et al. February 5, 2 | 2002-02-05 |
| Semiconductor integrated circuit for brushless motor drive control and brushless motor drive control apparatus Grant 6,340,873 - Seki , et al. January 22, 2 | 2002-01-22 |
| Semiconductor integrated circuit for brushless motor drive control and brushless motor drive control apparatus App 20010050542 - Seki, Kunio ; et al. | 2001-12-13 |
| Semiconductor integrated circuit for brushless motor drive control and brushless motor dirve control apparatus App 20010045812 - Seki, Kunio ; et al. | 2001-11-29 |
| Method and apparatus for driving an electric motor Grant 5,847,521 - Morikawa , et al. December 8, 1 | 1998-12-08 |
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