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HONSHU CHEMICAL IND

Overview
  • Total Patents
    542
  • GoodIP Patent Rank
    12,327
  • Filing trend
    ⇧ 44.0%
About

HONSHU CHEMICAL IND has a total of 542 patent applications. It increased the IP activity by 44.0%. Its first patent ever was published in 1968. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets organic fine chemistry, macromolecular chemistry and polymers and environmental technology are AIES CO LTD, MASATAKA AMAGASA and VISOLIS INC.

Patent filings per year

Chart showing HONSHU CHEMICAL INDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Masuda Toru 59
#2 Yao Kazuhiko 47
#3 Ozaki Mitsutaka 45
#4 Suto Takeru 44
#5 Egawa Kenji 44
#6 Hiramine Tadashi 37
#7 Iwai Tatsuya 35
#8 Hashimoto Miwa 35
#9 Shiomi Taiichi 34
#10 Nakaguchi Toru 33

Latest patents

Publication Filing date Title
WO2021054309A1 Production method for aromatic bisether compound
WO2021033655A1 Starting-material composition for resin
WO2021015083A1 Crystal of 2, 2'-bis(ethoxycarbonylmethoxy)-1, 1'-binaphthyl
WO2021010363A1 Method for producing binaphthyls
WO2020256045A1 Hexamethyl-substituted/dimethyl-substituted 4,4'-bis(2-propene-1-yloxy)-1,1'-biphenyl crystal
WO2020226114A1 Method for producing binaphthyl carboxylic acid
WO2020218134A1 Method for producing tetracarboxylic acid dianhydride
WO2020189598A1 (meth)acrylate-terminated polycarbonate oligomer
WO2020179767A1 Method for manufacturing liquid crystal polyester processed product
WO2020179769A1 Production method for 4-hydroxy-2-methyl benzoate
WO2020171039A1 Novel fluorene compound
WO2020075611A1 Epoxy resin composition
WO2020059710A1 Crystal of bisfluorene compound
WO2020059709A1 Crystal mixture of bisfluorene compound
WO2020017331A1 Novel polyacyloxymethyl-4,4'-acyloxybiphenyl compound
WO2020004207A1 Crystalline body of 9,9-bis(4-hydroxyphenyl)-2,3-benzofluorene
WO2020008879A1 (meth)acrylate-terminated polycarbonate oligomer
WO2019230685A1 Crystal of 2,2'-bis(carboxymethoxy)-1,1'-binaphthyl
JP2019210277A Crystal of 2,2'-bis(carboxymethoxy)-1,1'-binaphthyl
JP2020121934A Novel diamine, novel polyimide derived therefrom and molded body thereof