Nidec SR Drives Ltd owns a world-leading portfolio of intellectual property relating to switched reluctance systems.

The patent portfolio covers a wide range of topics in the technology, including: the design, manufacture and operation of switched reluctance machines; circuits for associated power converters; control techniques for controlling the machines and power converters; methods of rotor position detection using both hardware detectors and software algorithms; etc.

Currently there are over 500 cases granted, with applications filed for a potential further 650 grants. The portfolio covers 17 countries in all continents.

The trademark portfolio includes the following marks registered in Great Britain, the United States and/or as European Community trademarks.

‘SR Drive’ ‘SR Drives’ ‘SRD’ ‘NSRD’