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NOK CORP

Overview
  • Total Patents
    10,345
  • GoodIP Patent Rank
    605
  • Filing trend
    ⇧ 1.0%
About

NOK CORP has a total of 10,345 patent applications. It increased the IP activity by 1.0%. Its first patent ever was published in 1984. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets mechanical elements, environmental technology and macromolecular chemistry and polymers are EPSHETSKY YEFIM, KACO GMBH CO and ARAI PUMP MFG.

Patent filings per year

Chart showing NOK CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Goto Masao 160
#2 Matsui Hiroki 154
#3 Kobayashi Naoto 150
#4 Nakagawa Takehiro 149
#5 Kurano Yoshihiro 137
#6 Uda Toru 126
#7 Sasaki Kenji 116
#8 Miyajima Keiichi 111
#9 Sasaki Yasuyori 111
#10 Hayashi Takahiro 110

Latest patents

Publication Filing date Title
WO2021079631A1 Sealing device
WO2021070521A1 Coating solution and fluoro rubber metal layered plate using same
WO2021054113A1 Method for manufacturing fuel battery cell separator gasket
WO2021039839A1 Sealing device
WO2021049280A1 Seal structure for fuel cell separator
WO2021070482A1 Sealing device
WO2021079585A1 Gasket
WO2021039204A1 Charging roll
WO2021039203A1 Charging roll
WO2021049159A1 Sealing device
WO2021049158A1 Sealing device
WO2021044726A1 Sealing device
WO2021044722A1 Gasket production method
WO2021065129A1 Sealing device
WO2021010177A1 Buffer stopper
WO2021014901A1 Coating agent for oil seal
WO2021014902A1 Coating agent for oil seal
WO2021010112A1 Storage method and production method for particle analysis instrument
WO2021019974A1 Fuel cell and method for manufacturing fuel cell
WO2021010104A1 Sealing device