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OGURA CLUTCH CO LTD

Overview
  • Total Patents
    541
  • GoodIP Patent Rank
    22,131
  • Filing trend
    ⇩ 8.0%
About

OGURA CLUTCH CO LTD has a total of 541 patent applications. It decreased the IP activity by 8.0%. Its first patent ever was published in 1973. It filed its patents most often in Japan, United States and China. Its main competitors in its focus markets mechanical elements, electrical machinery and energy and engines, pumps and turbines are STEARNS ELECTRIC CORP, BORG AND BECK COMPANY LTD and STROMAG AG.

Patent filings per year

Chart showing OGURA CLUTCH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kurosu Yoshihiro 71
#2 Mitsuhashi Takashi 47
#3 Yokoyama Yasuo 39
#4 Arai Shigeharu 30
#5 Ishimaru Takashi 27
#6 Akashi Toshiaki 26
#7 Matsushima Hiroaki 21
#8 Kato Motoi 20
#9 Suzuki Yasuhiro 16
#10 Kanzawa Takahiro 13

Latest patents

Publication Filing date Title
JP2020169410A Spindle unit
JP2020125761A Excitation operation brake
JP2020120439A Brake force adjusting apparatus
WO2018194078A1 Friction clutch
JP2019176608A Braking force adjustment device
JP2019148292A Electromagnetic coupling device
JP2019056388A Control system of brake force adjustment device
JP2019049429A Torque detector
JP2019037055A Braking force adjustor
JP2019007439A Air blowing device
JP2018182250A Excitation device and non-excitation operative brake
JP2018119571A Electromagnetic coupling device
JP2018084283A Multiple disc type non-excitation operation brake
EP3141772A2 Electromagnetic clutch
JP2017053486A Electromagnetic clutch
JP2018025218A Exciting device for electromagnetic coupling device
JP2017187127A Electromagnetic brake
JP2017187103A Seal structure of lead wire for electromagnet
EP3273097A1 Power transmission device
JP2017078431A Electromagnetic brake