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HOKUSHIN CORP

Overview
  • Total Patents
    98
About

HOKUSHIN CORP has a total of 98 patent applications. Its first patent ever was published in 1977. It filed its patents most often in Japan, United States and China. Its main competitors in its focus markets macromolecular chemistry and polymers, optics and machines are HIROSE JUNJI, ESSEX SPECIALTY PROD and MITSUI TOATSU CHEMICALS KK.

Patent filings per year

Chart showing HOKUSHIN CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ikeda Minoru 17
#2 Manmoto Yoshitaka 13
#3 Shirasaka Hitoshi 9
#4 Natsume Yoichi 9
#5 Eumi Yoichi 7
#6 Ichinose Noboru 6
#7 Urano Yuji 6
#8 Noda Shuhei 5
#9 Nakakita Satoshi 5
#10 Sawada Noritoshi 5

Latest patents

Publication Filing date Title
JP2013216105A Inkjet decorative material
JP2009108331A Soil improver and soil improvement method
CN101025968A Disk-loading roller
US2007144852A1 Dynamic damper and hollow propeller shaft equipped with same
US2007031753A1 Polyurethane member for use in electrophotographic apparatus
US2006276612A1 Method for producing oil-resistant elastomer and oil-resistant seal member
WO2006098477A1 Conductive roll and its inspection method
CN1800999A Cleaning blade member and method for producing the same
CN1762779A Sheet feed roll
US2005273795A1 Disc-loading roll
US2006223900A1 Member formed from foamed material, feed/transport roller, and sheet-separation roller
US2005061982A1 Fluoride single crystal for detecting radiation, scintillator and radiation detector using the single crystal, and method for detecting radiation
US2005032617A1 Roller member
WO2004086089A1 Fluoride single crystal material for thermoluminescence dosimeter and thermoluminescence dosimeter
US6759587B2 Thermoelectric materials, thermoelectric device, and method for producing thermoelectric materials
EP1213311A1 Oil-resistant elastomer member
EP1184440A2 Electroluminescent device and oxide phosphor for use therein
EP1156388A1 Charge-imparting member
US2002005395A1 Plasma reactor and gas modification method
JP2002079221A Garbage disposer