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NHK SPRING CO LTD

Overview
  • Total Patents
    8,157
  • GoodIP Patent Rank
    1,019
  • Filing trend
    ⇩ 14.0%
About

NHK SPRING CO LTD has a total of 8,157 patent applications. It decreased the IP activity by 14.0%. Its first patent ever was published in 1961. It filed its patents most often in Japan, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets transport, mechanical elements and machines are AIR LIFT CO, ALLEVARD REJNA AUTOSUSPENSIONS and MONROE AUTO EQUIPMENT CO.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Kazama Toshio 314
#2 Kuroda Shigeru 306
#3 Takeuchi Itsuo 209
#4 Kojima Juji 199
#5 Ono Yoshiki 152
#6 Shigematsu Ryohei 150
#7 Suzuki Takeshi 149
#8 Hoshino Shuichi 147
#9 Nakamura Takeshi 140
#10 Tominaga Jun 138

Latest patents

Publication Filing date Title
US10991388B1 Suspension for disk device having a damper member for suppressing wobble of a flexure
US2021107428A1 Vehicle seat
JP2021006453A Vibration damping device and vehicle seat provided with the same
WO2021070837A1 Sealing material
WO2021075275A1 Stator core, stator unit, and motor
US2021086668A1 Suspension seat
WO2021024844A1 Stage and method for controlling temperature of substrate
WO2021024837A1 Temperature sensor and heater unit
WO2021010375A1 Ball seat securing method for ball joint, and ball seat securing structure
WO2021010374A1 Ball seat, ball joint, and method for producing ball joint
WO2021006232A1 Stabilizer and method for manufacturing stabilizer
WO2021024672A1 Heater and stage
WO2020246575A1 Ship propulsion apparatus control device, ship propulsion apparatus control method, and program
WO2020246568A1 Automatic setting device, automatic setting method, and program
WO2020246582A1 Control device for ship propulsion device, method for controlling ship propulsion device, and program
WO2020246574A1 Control device for ship propulsion device, method for controlling ship propulsion device, and program
WO2021038988A1 Spring member and suspension device
WO2021024545A1 Determination system, determination device, determination method, and determination program
WO2020189469A1 Method for manufacturing stabilizer
WO2020184684A1 Contact probe and signal transmission method