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NTN K K

Overview
  • Total Patents
    15
About

NTN K K has a total of 15 patent applications. Its first patent ever was published in 1990. It filed its patents most often in China and Republic of Korea. Its main competitors in its focus markets mechanical elements, machines and transport are BANTAM BEARINGS CORP, HOFFMANN ERNST GUSTAV and LAYCOCK ARTHUR M.

Patent filings in countries

World map showing NTN K Ks patent filings in countries
# Country Total Patents
#1 China 13
#2 Republic of Korea 2

Patent filings per year

Chart showing NTN K Ks patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Isao Komori 2
#2 Kimihiko Bitou 2
#3 Hirasawa Yoshimitsu 1
#4 Yoshihisa Sone Keisuke Hozumi 1
#5 Tadahisa Suzumoto 1
#6 Itoo Yoshinori 1
#7 Oka Ryutaro 1
#8 Nobuyoshi Yamashita 1
#9 Keneko T 1
#10 Chiya Sakakuchi 1

Latest patents

Publication Filing date Title
CN1419057A Fluid bearing
CN1141899A Sintered ceramic material and disk valve assembly