Inventor
Ryuichi Oguro
Inventor
Fukuoka, JP
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Pprimary
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters43%
G05BControl or regulating systems in general24%
B25JManipulators10%
B60LPropulsion of electrically-propelled vehicles5%
B61BRailway systems5%
F02DControlling combustion engines5%
Y02PClimate change mitigation technologies in the production or processing of goods5%
Y02TClimate change mitigation technologies related to transportation5%
PatentTitleYear
10,927,769Electronically controlled throttle control device20217,076,340'Method of controlling speed of synchronous motor, and method of identifying constant of synchronous motor'20066,975,086'Positioning control method'20056,914,404'Motor controller'20056,873,132'Electric motor control device'20056,850,030'Method and device for controlling currents of synchronous motor'20056,832,127'Motor controller'20046,822,415'Motor controller'20046,242,885'Method for estimating induced electromotive force and speed of induction motor, method for correcting misalignment of shaft thereof, and induction motor controller'20016,184,647'Method of estimating initial pole position of permanent magnet brushless motor'20016,081,093'Sensorless control method and apparatus of permanent magnet synchronous motor'20006,069,463'Controller of multi-axis robot'20005,359,490'Method of controlling moving element of magnetic levitation and transport system'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–2006Patents assigned to YASKAWA DENKI SEISAKUSHO KK (12)· patent assignee history
1994–2000Based in Kitakyushu, JP· patent location history
2000–2006Based in Fukuoka, JP· patent location history
2021Patents assigned to NIKKI CO LTD (1)· patent assignee history
2021Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| YASKAWA DENKI SEISAKUSHO KK | 12 | 1994–2006 |
| NIKKI CO LTD | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fukuoka, JP | 10 | 2000–2006 |
| Kitakyushu, JP | 2 | 1994–2000 |
| Kanagawa, JP | 1 | 2021 |