Inventor
Akihito Uetake
Inventor
Suwa, JP
Overview
Patents· 18 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 converters14%
H02KDynamo-electric machines8%
B60LPropulsion of electrically-propelled vehicles6%
Y02TClimate change mitigation technologies related to transportation6%
Y10TTechnical subjects covered by former us classification6%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles4%
B60WConjoint control of vehicle sub-units of different type or different function4%
F04BPositive-displacement machines for liquids4%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids4%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers4%
PatentTitleYear
8,130,973'Superdirectional acoustic system and projector'20127,909,466'Project equipped with ultrasonic speaker, and method for displaying sound reproduction range in projector'20117,382,688'Ultrasonic transducer, ultrasonic speaker, and method of controlling the driving of ultrasonic transducer'20086,952,625'Recycling job supporting system, recycling center equipment, information management center equipment, equipment program, and recycling job supporting method'20056,483,270'Method and device for controlling position sensorless motor'20026,163,148'Sensor, drive force auxiliary device using the sensor, and torque sensor zero point adjusting mechanism of the drive force auxiliary device'20006,154,422'Power-generating device, charging method and clocking device'20006,107,761'Drive for electric vehicle and control method of the same'20006,047,460'Method of producing a permanent magnet rotor'20006,034,458'DC brushless motor having an interior permanent magnet rotor with optimal magnet thickness/air gap relationship'20005,931,245'Battery control system for electric vehicle'19995,844,344'DC brushless motor having auxiliary salient poles'19985,827,148'Variable speed drive unit for electric vehicle and variable speed driving method'19985,780,983'Brushless DC motor drive apparatus'19985,703,768'Motor control apparatus'19975,703,449'Controller for brushless DC motor without position sensor'19975,518,373'Compressor start-up controller'19965,253,481'Control unit for activating compressor'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2012Patents assigned to SEIKO EPSON CORP (18)· patent assignee history
1993–1996Patents assigned to ZEXEL CORP (2)· patent assignee history
1993Based in Hino, JP· patent location history
1996Based in Tokyo, JP· patent location history
1997–2002Based in Suwa, JP· patent location history
1998–2000Patents assigned to TOKYO R & D KK (3)· patent assignee history
1998–2000Based in Nagano, JP· patent location history
2005–2012Based in Hachioji, JP· patent location history
2012Patents assigned to MATSUZAWA KINYA (1)· patent assignee history
2012Patents assigned to UETAKE AKIHITO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SEIKO EPSON CORP | 18 | 1993–2012 |
| TOKYO R & D KK | 3 | 1998–2000 |
| ZEXEL CORP | 2 | 1993–1996 |
| MATSUZAWA KINYA | 1 | 2012 |
| UETAKE AKIHITOself | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Suwa, JP | 9 | 1997–2002 |
| Hachioji, JP | 4 | 2005–2012 |
| Nagano, JP | 3 | 1998–2000 |
| Tokyo, JP | 1 | 1996 |
| Hino, JP | 1 | 1993 |