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MARUYAMA SANGYO KK

Overview
  • Total Patents
    20
About

MARUYAMA SANGYO KK has a total of 20 patent applications. Its first patent ever was published in 1989. It filed its patents most often in Japan. Its main competitors in its focus markets civil engineering and chemical engineering are METALOGENIA PATENTES S L, BOFORS CO LTD and KOBELCO CONSTR MACH ENG CO LTD.

Patent filings in countries

World map showing MARUYAMA SANGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 20

Patent filings per year

Chart showing MARUYAMA SANGYO KKs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Maruyama Mitsuru 16
#2 Maruyama Hisao 4
#3 Shimazu Hidenori 1

Latest patents

Publication Filing date Title
JP2011064378A Duct device for ventilator
JP2001073563A Crusher
JP2001054742A Multifunction type civil engineering machine
JP2000336950A Crusher
JP2000088333A Anemo hanger device
JPH1110016A Pulverization processing machine for concrete waste or the like
JPH11107544A Shared device for crusher and magnet device
JPH1150487A Hanging working exchanger of civil engineering machine
JPH1111849A Loader for scraps or the like for civil engineering machine
JPH10323573A Biaxial type roll axis crusher
JPH10306463A Bucket for excavation for civil engineering machine
JPH10121748A Crusher fitted to slewing arm of civil engineering machine
JPH1037227A Crusher
JPH1030247A Crusher
JPH1025707A Single tip ripper
JPH09316912A Crusher fitted to slewing arm of civil engineering machine
JPH09287162A Bucket for excavating machine
JPH09267049A Crusher for waste lumpy material such as concrete lump
JPH08228753A Apparatus for producing beers
JPH02309093A Assembling member for muffler for blast duct