Learn more

MURATA HATSUJO CO LTD

Overview
  • Total Patents
    30
  • GoodIP Patent Rank
    232,992
About

MURATA HATSUJO CO LTD has a total of 30 patent applications. Its first patent ever was published in 1984. It filed its patents most often in Japan, Australia and United States. Its main competitors in its focus markets mechanical elements are G PI LE PROMSTROJPROEKT, MO G P INST and MO KURSKOE OTDEL MO ZHELEZNOJ.

Patent filings in countries

World map showing MURATA HATSUJO CO LTDs patent filings in countries
# Country Total Patents
#1 Japan 25
#2 Australia 2
#3 United States 2
#4 EPO (European Patent Office) 1

Patent filings per year

Chart showing MURATA HATSUJO CO LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Mechanical elements

Focus technologies

# Technology
#1 Springs
#2 Pipes
#3 Gearing

Top inventors

# Name Total Patents
#1 Abe Masami 10
#2 Matsumoto Yukio 9
#3 Morita Kuniki 6
#4 Nagakubo Shinichi 5
#5 Saito Noriyuki 4
#6 Itagaki Keiichi 4
#7 Okamoto Hideaki 4
#8 Ashino Masami 3
#9 Majima Toshihiko 3
#10 Mukasa Yoshikatsu 2

Latest patents

Publication Filing date Title
JP2020020341A Injector holder
JP2009019918A Oil level gauge
JP2009019917A Oil level gauge
JP2009019916A Oil level gauge
JP2008307580A Method for producing coil spring
JP2008095780A Hose clamp
JP2007278344A Plate spring
JP2007268573A Method for manufacturing arcuate coil spring
JP2005171504A Lid opening/closing device
JP2004052962A Drum brake and its shoe hold-down
JP2002070510A Valve mechanism having valve rotating device
JPH1082440A Coil spring for damper
JPH06198368A Manufacture of fin for cooling
JPH05126227A External thread and linear member thereof and ball screw
JPH04300482A Steam control device in steam drying furnace
JPH03184617A Manufacture of cooling fin
JPH0320109A Clip for screw
JPH01320330A Coil spring for damper
JPH01299336A Torsion spring for over head door or shutter opening/ closing device
JPH01120448A Spiral spring