P

Inventor

UETAKE AKIHITO

JP18 patents
⚠️ This page may combine multiple inventors who share the name “UETAKE AKIHITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SEIKO EPSON CORP

15 patents
US6483270B1Nov 19, 2002

Method and device for controlling position sensorless motor

SEIKO EPSON CORP119 citations98
US5827148AOct 27, 1998

Variable speed drive unit for electric vehicle and variable speed driving method

SEIKO EPSON CORP136 citations98
US6163148ADec 19, 2000

Sensor, drive force auxiliary device using the sensor, and torque sensor zero point adjusting mechanism of the drive force auxiliary device

SEIKO EPSON CORP129 citations97
US6154422ANov 28, 2000

Power-generating device, charging method and clocking device

SEIKO EPSON CORP78 citations96
US6107761AAug 22, 2000

Drive for electric vehicle and control method of the same

SEIKO EPSON CORP74 citations96
US6047460AApr 11, 2000

Method of producing a permanent magnet rotor

SEIKO EPSON CORP84 citations96
US6034458AMar 7, 2000

DC brushless motor having an interior permanent magnet rotor with optimal magnet thickness/air gap relationship

SEIKO EPSON CORP53 citations96
US5844344ADec 1, 1998

DC brushless motor having auxiliary salient poles

SEIKO EPSON CORP54 citations96
US5780983AJul 14, 1998

Brushless DC motor drive apparatus

SEIKO EPSON CORP67 citations96
US5703449ADec 30, 1997

Controller for brushless DC motor without position sensor

SEIKO EPSON CORP62 citations96
US5931245AAug 3, 1999

Battery control system for electric vehicle

SEIKO EPSON CORP90 citations94
US6952625B2Oct 4, 2005

Recycling job supporting system, recycling center equipment, information management center equipment, equipment program, and recycling job supporting method

SEIKO EPSON CORP22 citations87
US7909466B2Mar 22, 2011

Project equipped with ultrasonic speaker, and method for displaying sound reproduction range in projector

SEIKO EPSON CORP8 citations84
US7382688B2Jun 3, 2008

Ultrasonic transducer, ultrasonic speaker, and method of controlling the driving of ultrasonic transducer

SEIKO EPSON CORP18 citations84
US5703768ADec 30, 1997

Motor control apparatus

SEIKO EPSON CORP11 citations73

ZEXEL CORP

2 patents

UETAKE AKIHITO

1 patent