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SUMITOMO RIKO CO LTD

Overview
  • Total Patents
    1,580
  • GoodIP Patent Rank
    1,097
  • Filing trend
    ⇩ 5.0%
About

SUMITOMO RIKO CO LTD has a total of 1,580 patent applications. It decreased the IP activity by 5.0%. Its first patent ever was published in 2007. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets mechanical elements, macromolecular chemistry and polymers and transport are CONTITECH LUFTFEDERSYSTEME GMBH, TOKAI RUBBER IND LTD and ZHUZHOU TIMES NEW MAT TECH CO.

Patent filings per year

Chart showing SUMITOMO RIKO CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hasegawa Koichi 53
#2 Nakano Katsuhiko 52
#3 Fujikawa Tomohiro 45
#4 Yoshikawa Hitoshi 44
#5 Mizutani Koji 42
#6 Katayama Kazutaka 42
#7 Hatanaka Kazuki 39
#8 Ishida Masanori 38
#9 Yamada Hiroshi 37
#10 Muratani Keiichi 36

Latest patents

Publication Filing date Title
EP3798268A1 Silicone member and micro device
WO2021039537A1 Radical-curable seal member for fuel cell
WO2021059799A1 Fluid cell type mattress
WO2021039288A1 Presence determination device
WO2021020495A1 Electroconductive roll for electrophotographic devices
WO2021059702A1 Silicone rubber composition, silicone rubber crosslinked body, and sealant
WO2021019975A1 Flame-retardant vibration-damping rubber composition and flame-retardant vibration-damping rubber member
US2021094628A1 Vehicle-use resin module and method of manufacturing vehicle-use resin module
WO2020262218A1 Box-type electronic unit and method for manufacturing same
WO2021065085A1 Piezoelectric sensor and bioinformation acquisition garment
WO2020261867A1 Oil hose
WO2020196863A1 Electrostatic transducer and electrostatic transducer unit
WO2020217855A1 Electrostatic transducer and electrostatic transducer unit
WO2020175640A1 Cylindrical antivibration device for motor mount
WO2020174335A1 Multi-layer automotive tube
WO2020195143A1 Automobile cooling system tube and method for manufacturing same
WO2020194931A1 Capacitive coupling sensor
WO2020194870A1 Transducer device and transducer system
WO2020089834A1 Internal heat exchanger
WO2021064810A1 Expansion/contraction detecting device