Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Self running type elevator system using linear motors

Self running type elevator system using linear motors

US Patent 5288956 · Granted Feb 22, 1994

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Spindle motor and hard disk drive therewith2015
Power conversion apparatus2007
Reluctance type rotating machine with permanent magnets2003
Reluctance type rotating machine with permanent magnets2002
Reluctance type rotating machine with permanent magnets2001
Method and apparatus for controlling an inverter1996
Method of controlling induction motor1995
Method and apparatus for controlling an inverter generating a plurality of phase1994
Feedback controller1993
Continuous deadbeat control system with feedback control1992
Optical rotation detector including a disk having slits with concave and convex 1991
Control system for voltage-source pulse width modulation step-up rectifier1990