Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11575319 | DC-DC converter | Masayuki Ida, Hideyuki Tajima, Hiroyuki Inoue, Noboru INOMATA | 2023-02-07 |
| 10302681 | Current detection circuit and semiconductor device including the same | Masanori Otsuka, Wataru Saito, Yoshitaka Jingu, Satoshi Kondo, Junya Horishima | 2019-05-28 |
| 8569983 | Motor driving apparatus and method for control of motor revolution | Minoru Kurosawa | 2013-10-29 |
| 8362727 | Control device for synchronous motor | Yoshitaka Iwaji, Minoru Kurosawa, Junnosuke Nakatsugawa | 2013-01-29 |
| 8258732 | Drive system of synchronous motor | Yoshitaka Iwaji, Minoru Kurosawa | 2012-09-04 |
| 8232751 | Drive system of synchronous motor | Yoshitaka Iwaji, Minoru Kurosawa | 2012-07-31 |
| 8004349 | Power supply unit | Osamu Yamashita, Masahiro Ishihara, Toshiyuki Tsunoda | 2011-08-23 |
| 7915844 | Motor driving apparatus and method for control of motor revolution | Minoru Kurosawa | 2011-03-29 |
| 7859209 | Control device for synchronous motor | Yoshitaka Iwaji, Minoru Kurosawa, Junnosuke Nakatsugawa | 2010-12-28 |
| 7859324 | Power supply unit | Osamu Yamashita, Masahiro Ishihara, Toshiyuki Tsunoda | 2010-12-28 |
| 7847500 | Synchronous motor control device | Yoshitaka Iwaji, Junnosuke Nakatsugawa, Minoru Kurosawa | 2010-12-07 |
| 7848044 | VCM driver and PWM amplifier | Hiroshi Kuroiwa | 2010-12-07 |
| 7750586 | Drive control device of motor and a method of start-up | Minoru Kurosawa | 2010-07-06 |
| 7723937 | Drive control device of motor and a method of start-up | Minoru Kurosawa | 2010-05-25 |
| 7710678 | VCM driver and PWM amplifier | Hiroshi Kuroiwa | 2010-05-04 |
| 7492132 | Switching regulator | Hiroshi Kuroiwa, Osamu Yamashita | 2009-02-17 |
| 7411365 | Drive control device of motor and a method of start-up | Minoru Kurosawa | 2008-08-12 |
| 7294982 | Motor drive device and integrated circuit device for motor driving | Minoru Kurosawa | 2007-11-13 |
| 7280308 | Motor drive semiconductor integrated circuit and magnetic disk storage apparatus | — | 2007-10-09 |
| 7158332 | Magnetic disk storage system | — | 2007-01-02 |
| 7088063 | Motor drive device and integrated circuit device for motor driving | Minoru Kurosawa | 2006-08-08 |
| 7071640 | Rotation drive control circuit of multiphases direct current motor and the start-up method thereof | Minoru Kurosawa, Kunihiro Kawauchi | 2006-07-04 |
| 7054089 | Magnetic disk storage system | — | 2006-05-30 |
| 6998801 | Motor drive device and motor drive integrated circuit device | Minoru Kurosawa | 2006-02-14 |
| 6975479 | Magnetic disc storage apparatus | Kenji Nishimura, Tatsuya Negishi | 2005-12-13 |