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NSK LTD

Overview
  • Total Patents
    26,290
  • GoodIP Patent Rank
    236
  • Filing trend
    ⇩ 17.0%
About

NSK LTD has a total of 26,290 patent applications. It decreased the IP activity by 17.0%. Its first patent ever was published in 1991. It filed its patents most often in Japan, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets mechanical elements, transport and machines are KOYO SEIKO CO, ENG PRODUCTIONS CLEVEDON LTD and NIPPON SEIKO KK.

Patent filings in countries

World map showing NSK LTDs patent filings in countries

Patent filings per year

Chart showing NSK LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Katsuno Yoshiaki 394
#2 Moriyama Seiichi 389
#3 Endo Shuji 296
#4 Imanishi Takashi 285
#5 Kobayashi Kazuto 273
#6 Yabe Shunichi 273
#7 Matsuda Yasuyuki 258
#8 Sadakata Kiyoshi 248
#9 Segawa Toru 239
#10 Inoue Eiji 226

Latest patents

Publication Filing date Title
JP2021001694A Method of manufacturing worm wheel
WO2021070751A1 Method for evaluating purity of steel material
WO2021054480A1 Reverse input blocking clutch
WO2021054479A1 Reverse input blocking clutch
WO2021054481A1 Reverse input cutoff clutch
WO2021045232A1 Hub unit bearing and method for manufacturing same
WO2021049430A1 Rolled thread, and method for manufacturing rolled thread
WO2021039532A1 Tapered roller bearing
WO2021039526A1 Press working method and manufacturing method for machinery
WO2021033711A1 Hub unit bearing and method for manufacturing same, rocking-type caulking device, and vehicle and method for manufacturing same
WO2021033710A1 Method for manufacturing hub unit bearing, swinging crimping device, and method for manufacturing vehicle
DE102020210446A1 Method of manufacturing an inner ring for a hub unit bearing
WO2021033557A1 Direct drive motor
JP2020182380A Power supply circuit
WO2021010458A1 Electric power steering control device
WO2021010459A1 Electric power steering control device
JP2021000630A Edible oil degradation inhibition filter, degradation inhibitor composition, and method of manufacturing them
WO2020250905A1 Steering device
JP2020148343A Angular ball bearing and spindle device for processing machine
WO2020240277A1 Steering column anti-rotational device