Inventor
SAKAMOTO KIYOSHI
JP47 patents
⚠️ This page may combine multiple inventors who share the name “SAKAMOTO KIYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
14 patentsUS6690137B2Feb 10, 2004
Sensorless control system for synchronous motor
HITACHI LTD74 citations98
US6462492B1Oct 8, 2002
Position-sensorless controlling method of synchronous motor
HITACHI LTD147 citations98
US6396229B1May 28, 2002
Method of estimating a rotor position of synchronous motor, method of controlling synchronous motor with no position sensor and a controller of synchronous motor
HITACHI LTD259 citations98
US6028779AFeb 22, 2000
Power inverter device
HITACHI LTD96 citations98
US7294988B2Nov 13, 2007
Synchronous motor drive unit and a driving method thereof
HITACHI LTD88 citations97
US6628099B2Sep 30, 2003
Synchronous motor driving system and sensorless control method for a synchronous motor
HITACHI LTD45 citations96
US4770105ASep 13, 1988
Piping travelling apparatus
HITACHI LTD78 citations95
US6650081B2Nov 18, 2003
Synchronous motor driving system
HITACHI LTD20 citations92
US6639377B2Oct 28, 2003
Driving device for synchronous motor
HITACHI LTD51 citations92
US7342378B2Mar 11, 2008
System and method for driving synchronous motor
HITACHI LTD21 citations90
US8044618B2Oct 25, 2011
Control apparatus for AC motor
HITACHI LTD15 citations84
US7388341B2Jun 17, 2008
Control system for permanent magnet synchronous motor and module
HITACHI LTD8 citations74
US7821223B2Oct 26, 2010
Vector controller for a permanent magnet motor and inverter module
HITACHI LTD2 citations63
US7919941B2Apr 5, 2011
Semiconductor power converter
HITACHI LTD6 citations59
MAZDA MOTOR
10 patentsUS5521823AMay 28, 1996
Learning control vehicle
MAZDA MOTOR82 citations96
US6598699B2Jul 29, 2003
Electric power steering system for vehicle
MAZDA MOTOR35 citations93
US6205374B1Mar 20, 2001
Vehicle characteristic change system and method
MAZDA MOTOR71 citations93
US6230084B1May 8, 2001
Vehicle characteristic change system and method
MAZDA MOTOR31 citations92
US5094115AMar 10, 1992
Operation apparatus for vehicle automatic transmission mechanism
MAZDA MOTOR69 citations92
US6918289B2Jul 19, 2005
Air pressure information display device of vehicle tire
MAZDA MOTOR12 citations83
US6912452B2Jun 28, 2005
System and method for providing control gain of vehicle
MAZDA MOTOR10 citations74
US6564898B2May 20, 2003
Electric power steering apparatus for motor vehicle
MAZDA MOTOR10 citations74
US5165715ANov 24, 1992
Suspension system for automotive vehicle
MAZDA MOTOR8 citations74
US6622553B2Sep 23, 2003
Air pressure warning device of vehicle tire
MAZDA MOTOR12 citations73
SANYO ELECTRIC CO
8 patentsUS5221951AJun 22, 1993
Sheet-feeding apparatus having sheet storing means with sheet removal from either side
SANYO ELECTRIC CO33 citations93
US5327207AJul 5, 1994
Copy machine having plural trays each tray capable of storing two different stacks of sheets
SANYO ELECTRIC CO22 citations89
US4531823AJul 30, 1985
Electrostatic copying machine having removable paper path
SANYO ELECTRIC CO43 citations89
US4764789AAug 16, 1988
Apparatus for inputting image forming condition
SANYO ELECTRIC CO19 citations81
US5043762AAug 27, 1991
Copy system
SANYO ELECTRIC CO21 citations80
US4213679AJul 22, 1980
Projector
SANYO ELECTRIC CO8 citations70
US5030990AJul 9, 1991
Apparatus for inputting image forming condition
SANYO ELECTRIC CO6 citations60
US6365310B1Apr 2, 2002
Developing method and a developer for electrophotography
SANYO ELECTRIC CO0 citations41