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CIRCLE IRON WORK CO

Overview
  • Total Patents
    50
About

CIRCLE IRON WORK CO has a total of 50 patent applications. Its first patent ever was published in 1984. It filed its patents most often in Japan, Belgium and EPO (European Patent Office). Its main competitors in its focus markets agriculture and environmental technology are CHONGQING BOWO ENGINE PARTS MFG CO LTD, KUHN DO BRASIL S/A IMPLEMENTOS AGRICOLAS and JINJIANG ZHENGFENG MACHINERY CO LTD.

Patent filings in countries

World map showing CIRCLE IRON WORK COs patent filings in countries

Patent filings per year

Chart showing CIRCLE IRON WORK COs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Kaji Masayuki 14
#2 Endo Masahiro 13
#3 Mikawa Isao 9
#4 Watabe Katsuhiro 9
#5 Yamamoto Nobuhiro 8
#6 Watanabe Kazushi 7
#7 Tamao Takahito 7
#8 Ito Yasuaki 5
#9 Shokaku Michihiro 4
#10 Miyashita Morishiro 3

Latest patents

Publication Filing date Title
JP2009072089A Peeling apparatus for agricultural product
JP2009061424A Agricultural-product sorting apparatus
JP2008265963A Feeder for seed potato or the like
JP2008017745A Apparatus for treating leaf and stem/soils and sands of harvester of root vegetables
JP2007331782A Leaf agricultural product selecting/packaging system and leaf agricultural selecting/packaging method
JP2007269468A Automatic watering machine for raising seedling
JP2007209622A Tv attachment device and storage rack with the same
JP2007090247A Agricultural produce sorting apparatus
JP2006295864A Thin type television mounting device, floor head comprising same and other storage shelves
JP2006222685A Television fitting device and storage shelf equipped with the same
JP2006174818A Apparatus for confirming and regulating amount delivered in fertilizer/seeder and chemical sprayer by controlling rotational speed of motor for driving delivery roller
JP2005328808A Mushroom harvester
JP2005312412A Seedling separator
JP2005237362A Transplanter equipped with cleaning device in transplanter for seedling with soil
JP2005229992A Seedling box hold and transport unit of transplanter
JP2005229994A Seedling distribution and transfer unit of seedling transplanter
JP2005185155A Device and method for harvesting mushroom cultivated in container
JP2005054813A Hose connection port for feeding gas into double film and its mounting method
JP2004308389A Safety box
JP2004236506A Detector for row seedling width in transplanter