Inventor
JAHKONEN PEKKA
FI21 patents
⚠️ This page may combine multiple inventors who share the name “JAHKONEN PEKKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KONE CORP
17 patentsUS7681694B2Mar 23, 2010
Energy storage system for elevators
KONE CORP38 citations92
US7669698B2Mar 2, 2010
Method and system for determining position information of an elevator
KONE CORP22 citations92
US7331426B2Feb 19, 2008
Elevator system using a supercapacitor as a backup power source
KONE CORP43 citations92
US7960865B2Jun 14, 2011
Apparatus and method for controlling the motor power
KONE CORP10 citations84
US7905330B2Mar 15, 2011
Door control safety arrangement for transportation system
KONE CORP11 citations84
US7176653B2Feb 13, 2007
Electric motor drive
KONE CORP19 citations84
US7147084B2Dec 12, 2006
Elevator control using switched speed and position
KONE CORP11 citations84
US6452357B1Sep 17, 2002
Method for controlling a permanent magnet synchronous motor
KONE CORP18 citations84
US6285961B1Sep 4, 2001
Procedure for determining the parameters for an electric drive controlling a synchronous elevator motor with permanent magnets
KONE CORP9 citations72
US6515444B1Feb 4, 2003
Method for controlling a current-regulated motor
KONE CORP11 citations68
US8384337B2Feb 26, 2013
Conveyor system
KONE CORP4 citations62
US7121385B2Oct 17, 2006
Method and apparatus for adjustment of the rotor angle of an elevator motor
KONE CORP2 citations62
US7184286B2Feb 27, 2007
Bridge for driving a direct-current or alternating current load
KONE CORP2 citations61
US6898094B2May 24, 2005
DC/DC bridge control unit for controlling a direct-current load
KONE CORP4 citations61
US6697273B1Feb 24, 2004
Control unit for controlling a direct-current load
KONE CORP6 citations61
US8053931B2Nov 8, 2011
Power control of transport system
KONE CORP1 citations52
US7314120B2Jan 1, 2008
Motor control for elevator using two control signals
KONE CORP1 citations52