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SEIKI CORP

Overview
  • Total Patents
    69
  • GoodIP Patent Rank
    131,937
  • Filing trend
    ⇩ 42.0%
About

SEIKI CORP has a total of 69 patent applications. It decreased the IP activity by 42.0%. Its first patent ever was published in 1989. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and Australia. Its main competitors in its focus markets machines, macromolecular chemistry and polymers and basic materials chemistry are COMMUNITY ENTPR LLC, NINGBO SWELL IND CO LTD and JIANMING LI.

Patent filings per year

Chart showing SEIKI CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tsutsumi Shigeru 24
#2 Sakano Hajime 12
#3 Saito Tsutomu 12
#4 Yoshida Masaaki 9
#5 Uehara Koichi 6
#6 Kato Izumi 6
#7 Tanaka Yoshiteru 6
#8 Yamagishi Masanori 6
#9 Tanaka Yoshiaki 5
#10 Uesugi Tomohiko 4

Latest patents

Publication Filing date Title
JP2019014816A Cleaning agent composition and molding raw material
JP2019014817A Cleaning agent composition and molding raw material
JP2018130863A Kneading transfer and ejection device for high viscosity material for 3D printer
JP2015063110A Apparatus and method for injection molding using valve pin operated by double piston mechanism
JP2013158923A Dividing type valve pin and dividing type valve pin gate system
JP2013091211A Speed control device for valve pin in injection molder and speed control method for valve pin
JP2013091213A Color changing apparatus using valve sleeve rotation of resin molding machine
JP2013091212A Valve opening/closing mechanism using mold opening/closing actuating force
JP2012153016A Lateral drive valve device for injection molding machine
JP2012153014A Split manifold apparatus for injection molding machine
JP2012153015A Side gate valve device for injection molding machine
JP2011183549A Piston apparatus with push force limit mechanism of valve gate opening/closing valve pin in injection molding machine
JP2011020337A Closed type cooling bush in injection molding machine
JP2011020336A Resin leakage sensor device in injection molding machine
JP2010221639A Valve pin adjustment mechanism in injection molding machine
JP2010089430A Acute nozzle device in hot runner probe
JP2005132026A Hot runner nozzle and hot runner nozzle unit
JP2004042662A Runner-less molding apparatus for thermosetting resin, rubber and the like
JP2004195917A Heat-treatment device for runnerless molding machine for thermosetting resin and rubber and its method
JP2004188871A Movable runner bush driving apparatus and its driving method,in runner-less molding apparatus for thermosetting resin, rubber or the like