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PLACO CO LTD

Overview
  • Total Patents
    238
  • GoodIP Patent Rank
    158,588
  • Filing trend
    ⇩ 66.0%
About

PLACO CO LTD has a total of 238 patent applications. It decreased the IP activity by 66.0%. Its first patent ever was published in 1973. It filed its patents most often in Japan, Republic of Korea and Canada. Its main competitors in its focus markets machines, environmental technology and macromolecular chemistry and polymers are OSAKA FIBRE INDUSTRY, WANG QINGZHAO and GUANGZHOU SUPER DRAGON ENGINEERING PLASTIC CO LTD.

Patent filings in countries

World map showing PLACO CO LTDs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Kikuchi Masanori 33
#2 Lim Youn Soo 20
#3 Shinosawa Kiyoama 16
#4 Ota Akira 14
#5 Aoki Kazuyoshi 12
#6 Imai Takashi 11
#7 Nagahori Kazutoshi 10
#8 Im Yun Su 9
#9 Fukai Kenji 9
#10 Adachi Tadao 8

Latest patents

Publication Filing date Title
KR102229098B1 Manufacturing method of composition for antibiotic water pipe
KR20200112239A Double insulated pipe
KR20200105250A Settling device for sedimentation of oilfields on the seabed
KR20180079948A synthetic resin water pipe prevented from edge transformation, manufacturing device for its extrusion and manufacturing method thereof
JP2017209973A Parison thickness measurement method and device thereof
JP2017196883A Method and device for detecting thickness of inflation film
KR20160038177A Resin compositon for pipe and joint
KR20150113262A A Plastic muli-wall pipe product apparatus
KR101397584B1 A pipe with a detecting line
KR101370838B1 A plastic muli-wall pipe product method and plastic muli-wall pipe
KR101383124B1 Multifunctional inspection chambers for sewerage
KR101240871B1 A floating pier
KR101277117B1 A floating structure on the water
KR101270949B1 Connecting device for floating structure on the water and connecting device assembly thereof
KR101114822B1 Drain sewage
KR20120086964A PVC Composition for Producing pipe and PVC pipe
KR101070313B1 A poly vinyl chloride resin composition having antibacterial activity
KR20120017815A Extruded synthetic wood manufacturing methods
KR101000302B1 A poly vinyl chloride resin composition for a pipe and joint
JP2012006366A Parison forming method and blow molding method using the parison formed by the forming method