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CHUO HATSUJO KK

Overview
  • Total Patents
    1,276
  • GoodIP Patent Rank
    9,263
  • Filing trend
    ⇧ 15.0%
About

CHUO HATSUJO KK has a total of 1,276 patent applications. It increased the IP activity by 15.0%. Its first patent ever was published in 1974. 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 environmental technology are THYSSENKRUPP FEDERN & STABILISATOREN GMBH, PULLMAN CO and ICON VEHICLE DYNAMICS LLC.

Patent filings per year

Chart showing CHUO HATSUJO KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hirata Yuichi 118
#2 Wakita Masami 77
#3 Tsuge Yoshikatsu 65
#4 Mizuno Eiji 62
#5 Sakakibara Takayuki 50
#6 Tsuruta Katsuya 44
#7 Nono Kazuyoshi 40
#8 Ogiso Hiroyuki 39
#9 Ito Toru 38
#10 Iwami Kenji 38

Latest patents

Publication Filing date Title
JP2020172780A Curtain body winding device
CN111566376A Spring
JP2020133280A Opening/closing window
JP2020125814A Suspension device spring
JP2020118286A Vehicle suspension device
JP2020116620A Spiral spring manufacturing method
JP2020078450A Top board lifting unit
JP2020066887A Lid opening/closing device
JP2020045966A Cable support device
JP2020045965A Cable support device
JP2020045967A Cable support device
JP2020029744A Lid body opening/closing device
JP2020020027A Heating method for coil spring, heating device for end coil part, and coil spring
JP2020016027A Lid body opening/closing device
JP2020017354A Heating device and heating method
JP2020012298A Cover body opening/closing device
JP2020012297A Cover body opening/closing device
JP2019163826A Suspension device for vehicle
WO2019180824A1 Stabilizer device
WO2019180825A1 Stabilizer mounting device