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NTN CO LTD

Overview
  • Total Patents
    141
  • GoodIP Patent Rank
    162,965
About

NTN CO LTD has a total of 141 patent applications. Its first patent ever was published in 1989. It filed its patents most often in China, Republic of Korea and Taiwan. Its main competitors in its focus markets mechanical elements, machines and transport are NTN TOYO BEARING CO LTD, SKF IND SPA and SKF IND TRADING & DEV.

Patent filings in countries

World map showing NTN CO LTDs patent filings in countries
# Country Total Patents
#1 China 137
#2 Republic of Korea 2
#3 Taiwan 2

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Masaharu Hori 8
#2 Tetsuya Kurimura 5
#3 Tohru Nakagawa 5
#4 Hisashi Ohtsuki 5
#5 Takayoshi Ozaki 4
#6 Kaoru Ueno 4
#7 Isao Komori 4
#8 Chikara Ohki 4
#9 Masaki Egami 4
#10 Hiroshi Kawamura 4

Latest patents

Publication Filing date Title
CN102049366A Coating unit and pattern correcting device equipped therewith
CN101688878A Wheel bearing adapted to wheels speed sensor
CN101479493A Heat-resistant, oil resistant rolling bearing and rolling bearing for use in a compressor of a refrigerating machine
CN1967004A Unidirectional clutch assembly
CN101512191A Gear and gear drive device
CN1851282A Constant-velocity joint and image forming device
CN1873477A Applying mechanism and coating method, defect correction device and defect correcting method
CN1752856A Constant-velocity joint and image-forming device
CN1957186A Tapered roller bearing
CN1890116A Wheel bearing and semi-floating type wheel bearing device having the same
CN1890115A Bearing device for wheel
CN1598341A Rolling element retainer and rolling bearing assembly using the same
CN1618700A Unidirectional intermittent conveyer
CN101010566A Bearing device with absolute angle sensor
CN1621705A Bearing with rotation sensor and electric motor using the same
CN1502476A Rotary unit for sheet feeding of imaging device
CN1782451A Fluid bearing device
CN1782449A Rolling bearing
CN1218920A Intercept member of developing agent