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MARUNAGA & CO LTD

Overview
  • Total Patents
    15
About

MARUNAGA & CO LTD has a total of 15 patent applications. Its first patent ever was published in 1986. It filed its patents most often in Japan, Belgium and Germany. Its main competitors in its focus markets machine tools, organic fine chemistry and pharmaceuticals are HEIM GRINDER COMPANY, JIANGSU ORIENTAL GRINDING WHEEL CO LTD and FORTURE TOOLS CO LTD.

Patent filings in countries

World map showing MARUNAGA & CO LTDs patent filings in countries
# Country Total Patents
#1 Japan 7
#2 Belgium 1
#3 Germany 1
#4 Denmark 1
#5 Spain 1
#6 France 1
#7 United Kingdom 1
#8 Norway 1
#9 Sweden 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Numao Suteyoshi 6
#2 Miyajima Makoto 6
#3 Fukumoto Mitsuo 5
#4 Nagayasu Susumu 4
#5 Yamashita Hiroshi 2
#6 Numao S 1
#7 Nagayasu Hideo 1
#8 Nitta Satoru 1

Latest patents

Publication Filing date Title
DE3844249A1 Belt grinder
JPH02127283A Coupled lock
JPH01182284A Container
JPH01163284A Tacky adhesive film for corrosion-protection of steel plate
JPH01124574A Packing box
JPS63182399A Industrial sake lees powder soap
JPS63154615A Bathing agent containing sake (japanese rice wine) lees
JPS63152937A Sake lees-containing cookie