Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10408219 | Fuel pump | Hiromi Sakai, Kiyoshi Nagata | 2019-09-10 |
| 10385863 | Rotor | Yuuji HIDAKA | 2019-08-20 |
| 10260465 | Fuel pump and control method therefor including control of rotation speed of impeller | Yuuji HIDAKA, Kiyoshi Nagata | 2019-04-16 |
| 10233881 | Fuel pump | Yuuji HIDAKA | 2019-03-19 |
| 10148150 | Liquid pump | Kiyoshi Nagata, Tetsuo Hayakawa | 2018-12-04 |
| 10107291 | Fuel pump | Tetsuo Hayakawa, Kiyoshi Nagata | 2018-10-23 |
| 10103658 | Drive control device and fuel pump drive system | Yuuji HIDAKA, Kiyoshi Nagata, Hirokazu Toyoda, Manabu Nomura | 2018-10-16 |
| 9954415 | Rotor for brushless motor | Yuuji HIDAKA, Kiyoshi Nagata | 2018-04-24 |
| 9780707 | Drive controller and motor drive system | Yuuji HIDAKA, Kiyoshi Nagata, Hirokazu Toyoda, Manabu Nomura | 2017-10-03 |
| D771712 | Rotational pump | Yuuji HIDAKA, Kiyoshi Nagata, Tetsuo Hayakawa | 2016-11-15 |
| D770537 | Rotational pump | Yuuji HIDAKA, Kiyoshi Nagata, Tetsuo Hayakawa | 2016-11-01 |
| 9369022 | Electric motor and fuel pump using the same having circumferential holding grooves for beginning and end portions of coil windings | Tetsuo Hayakawa, Kiyoshi Nagata | 2016-06-14 |
| 9178397 | Brushless motor with crossing wire holder | Daiji Furuhashi, Kiyoshi Nagata | 2015-11-03 |
| 8593092 | Control system for multiphase electric rotating machine | Masahiro Kuroda, Nobumasa Ueda, Kiyoshi Nagata, Sadahiro Akama | 2013-11-26 |
| 8257064 | Electric fuel pump capable of supplying fuel at high flow rate | Yuichirou Oota, Kiyoshi Nagata | 2012-09-04 |
| 8217603 | Apparatus and method for driving rotary machine | Sadahiro Akama, Shuji Agatsuma, Nobumasa Ueda, Masahiro Kuroda, Kiyoshi Nagata | 2012-07-10 |
| 8072165 | Apparatus for estimating rotor position of brushless motors and system and method for controlling start-up of brushless motors | Hiroyasu BABA, Yuji Hayashi, Kiyoshi Nagata | 2011-12-06 |
| 8054017 | Apparatus for estimating rotor position of brushless motors and system and method for controlling start-up of brushless motors | Hiroyasu BABA, Yuji Hayashi, Naoki Yamamoto, Kiyoshi Nagata | 2011-11-08 |
| 7893638 | Apparatus and method for driving rotary machine | Sadahiro Akama, Shuji Agatsuma, Nobumasa Ueda, Masahiro Kuroda, Kiyoshi Nagata | 2011-02-22 |