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NIHON RIKEN CO LTD

Overview
  • Total Patents
    24
About

NIHON RIKEN CO LTD has a total of 24 patent applications. Its first patent ever was published in 1993. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Australia. Its main competitors in its focus markets electrical machinery and energy and environmental technology are NISHIMURA MASAYUKI, KUPISIEWICZ STEFAN and SPC HOLDING CO INC.

Patent filings per year

Chart showing NIHON RIKEN CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kawai Teruo 23
#2 Teruo Kawai 1

Latest patents

Publication Filing date Title
WO2004025813A1 Stator for motor employing permanent magnet and motor comprising that stator
WO2004012214A1 Power converter utilizing permanent magnet
AU2002237563A1 Electric motor having rotor capable of confining magnetic flux
AU7956200A Electric motor having rotor capable of confining magnetic flux
US5917261A Motive power generating apparatus utilizing energy of permanent magnet
US5804898A Electric motor utilizing magnetic energy of permanent magnet
US5717316A Motive power generating apparatus utilizing energy of permanent magnet
US5677583A Electric motor having rotor with offset against stator
US5719458A Power generator with improved rotor
US5436518A Motive power generating device
EP0630096A1 Motive power generating device
MY131500A Motive power generating device