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KK RIKEN

Overview
  • Total Patents
    241
  • GoodIP Patent Rank
    6,958
  • Filing trend
    ⇧ 41.0%
About

KK RIKEN has a total of 241 patent applications. It increased the IP activity by 41.0%. Its first patent ever was published in 2004. It filed its patents most often in EPO (European Patent Office), United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets mechanical elements, engines, pumps and turbines and materials and metallurgy are FEDERAL-MOGUL BURSCHEID GMBH, COFAP and FED MOGUL BURSCHEID GMBH.

Patent filings per year

Chart showing KK RIKENs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Shimizu Hiroshi 35
#2 Sekiya Takuma 20
#3 Shima Yuji 20
#4 Moronuki Masaki 14
#5 Fujita Masaaki 14
#6 Takezawa Yuichiro 12
#7 Kawanishi Minoru 11
#8 Shinohara Akio 10
#9 Ichikawa Takayuki 10
#10 Kakegawa Satoru 10

Latest patents

Publication Filing date Title
US2021071761A1 Piston ring
EP3779244A1 Spacer expander and oil control ring including same
WO2019124389A1 Piston ring for internal combustion engine
WO2019167241A1 Piston ring
US2020292076A1 Sliding member and piston ring
CN110462198A Sliding component and piston ring
EP3406865A1 Sintered valve seat
TW201909721A Noise suppression film for near field
TWI644332B Near field noise suppression sheet including a substrate and a soft magnetic alloy powder
WO2018198173A1 Side rail
EP3318656A1 Sliding member and piston ring
CN108700199A Sealing ring
CN108026800A Sinter valve seat
WO2016158848A1 Seal ring
EP3163129A1 Piston ring
EP3162475A1 Sintered valve seat and method for manufacturing same
US2016265660A1 Piston ring for internal combustion engine
EP3051189A1 Seal ring
EP2980459A1 Seal device
US2015308573A1 Piston ring