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TOKYO ROKI KK

Overview
  • Total Patents
    381
  • GoodIP Patent Rank
    17,128
  • Filing trend
    ⇩ 37.0%
About

TOKYO ROKI KK has a total of 381 patent applications. It decreased the IP activity by 37.0%. Its first patent ever was published in 1968. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets chemical engineering, environmental technology and engines, pumps and turbines are FLEETGUARD INC, EDER GMBH MASCHFAB FRANZ and GOAL LINE ENVIRONMENTAL TECH.

Patent filings per year

Chart showing TOKYO ROKI KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ishida Kosaku 69
#2 Watanabe Yoshitaka 28
#3 Yamada Tatsuto 24
#4 Mori Takayuki 24
#5 Tokuyama Tadashi 19
#6 Shirai Daisuke 16
#7 Yoshino Yasutaka 14
#8 Kurosawa Takatsugu 14
#9 Ueno Hiroki 14
#10 Kuwabara Ryuji 13

Latest patents

Publication Filing date Title
JP2020192524A Processing method
CN112118907A Exhaust gas purifying catalyst
EP3795246A1 Discharge gas purification catalyst
JP2020142166A filter
JP2020142165A filter
JP2020118040A Bracket and mounting structure
JP2020062627A Ammonia cleaning catalyst
WO2020026407A1 Oil separator
JP2020002902A Oil separator
JP2019190381A Exhaust gas treatment system
JP2019148232A Exhaust gas treatment system and exhaust emission control method
JP2019048278A Diesel particulate filter cleaning method
JP2018196858A Exhaust gas purification catalyst for achieving low temperature purification of unsaturated hydrocarbon and saturated hydrocarbon
WO2018198347A1 Exhaust gas purification device
WO2018198344A1 Exhaust gas purification device
WO2018198345A1 Exhaust gas purification device
JP2018164896A Occlusion-reduction catalyst for purifying exhaust from lean-burn engine
JP2018164897A Occlusion-reduction catalyst for purifying exhaust from lean-burn engine
JP2018115616A Swirl flow generating device
WO2018116370A1 Heat exchange device