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RIKEN KK

Overview
  • Total Patents
    2,772
  • GoodIP Patent Rank
    6,200
  • Filing trend
    ⇩ 30.0%
About

RIKEN KK has a total of 2,772 patent applications. It decreased the IP activity by 30.0%. Its first patent ever was published in 1963. 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, engines, pumps and turbines and surface technology and coating are KK RIKEN, FEDERAL MOGUL BURSCHEID GMBH and NIPPON PISTON RING CO LTD.

Patent filings per year

Chart showing RIKEN KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yoshida Kiyohide 237
#2 Kunimoto Akira 146
#3 Shinada Manabu 132
#4 Yaguchi Osamu 127
#5 Abe Akira 103
#6 Inoue Shigeo 94
#7 Kiyota Fumio 94
#8 Kurosawa Hideyuki 92
#9 Ono Takashi 83
#10 Nakanouchi Yukio 78

Latest patents

Publication Filing date Title
JP2020204349A piston ring
JP2020183558A Spheroidal graphite cast iron, method of spheroidal graphite cast iron, and component for automobile under carriage
JP2020176550A Slide member
JP2020177974A Noise countermeasure member
JP2020172183A Vehicle knuckle
JP2020172684A Sliding member and piston ring
JP2019113191A side rail
JP2020169658A Seal ring
JP2020106109A piston ring
JP2019120403A piston ring
JP2020085164A Seal ring
JP2020045955A Seal ring
JP2020041573A Piston ring and manufacturing method of the same
JP2020033622A Sliding member
JP2020020395A piston ring
JP2020003039A Piston ring and manufacturing method thereof
JP2020003038A Combination oil control ring
JP2019190513A piston ring
JP2019127962A Oil ring
JP2019116677A Sliding member