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MARUO CALCIUM

Overview
  • Total Patents
    443
  • GoodIP Patent Rank
    81,141
  • Filing trend
    ⇩ 100.0%
About

MARUO CALCIUM has a total of 443 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1974. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets materials and metallurgy, macromolecular chemistry and polymers and foods and drinks are MARTINSWERK GMBH, ALUSUISSE MARTINSWERK GMBH and NABALTEC GMBH.

Patent filings per year

Chart showing MARUO CALCIUMs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Shibata Hiroshi 86
#2 Takiyama Shigeo 74
#3 Kasahara Hidemitsu 73
#4 Fujiwara Toshio 67
#5 Hojo Hisakazu 63
#6 Shimizu Seiya 61
#7 Kubota Naoki 55
#8 Motoyoshi Shiro 52
#9 Fukumoto Katsunori 45
#10 Nishioka Hidehiko 41

Latest patents

Publication Filing date Title
JP2018040007A Curable resin composition having crosslinkable silicon group
CN109906250A Resin pearl filler and resin combination containing it
JP2018016790A Conductive surface-treated powder filler and resin composition containing the filler
JP2018184306A Hydrotalcite compound, resin composition blended with hydrotalcite compound, and molded body thereof
JP2018184305A Hydrotalcite compound, resin composition comprising the hydrotalcite compound blended therein, and molded article thereof
JP2017095720A Surface-treated calcium carbonate filler and curable resin composition containing filler
JP2017095719A Surface-treated calcium carbonate filler and curable resin composition containing filler
KR20170129696A Surface-treated calcium carbonate materials for curable resin compositions and curable resin compositions containing the materials
CN105980310A Calcium carbonate filler for resin and resin composition including said filler
JP2016108177A Hydrotalcite compound, resin composition containing the compound and molded body
JP2016108427A Hydrotalcite composition, resin composition containing the composition and molded body thereof
JP2015124288A Curable resin composition having crosslinkable silicon group
CN104704036A Calcium carbonate filler for resin, and resin composition containing said filler
WO2014014011A1 Heavy calcium carbonate, production method therefor, and resin composition containing said calcium carbonate
JP2015003835A Surface-treated calcium carbonate, method of producing the same and ceramic composition blended with the same
WO2013168600A1 Surface-treated calcium carbonate filler, and curable resin composition containing said filler
JP2014156525A Surface-treated calcium carbonate filler and curable resin composition obtained by blending the filler
JP2013216863A Surface treatment calcium carbonate filler and curable resin composition containing the filler
JP2014019605A Ground calcium carbonate for synthetic resin, process for producing the same and resin composition comprising calcium carbonate
JP2014019784A Surface-treated ground calcium carbonate, process for producing the same and resin composition comprising calcium carbonate