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KOIZUMI CO LTD

Overview
  • Total Patents
    22
  • GoodIP Patent Rank
    209,467
About

KOIZUMI CO LTD has a total of 22 patent applications. Its first patent ever was published in 1988. It filed its patents most often in Japan, Republic of Korea and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets transport, environmental technology and mechanical elements are RYAZANSKOE SP K B N PROIZV OBE, KIDA NOUSAN KK and BARNFATHER ROBERT.

Patent filings in countries

World map showing KOIZUMI CO LTDs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Koizumi Shunji 8
#2 Shimoura Susumu 5
#3 Nagasaka Hiroshi 4
#4 Nagasaka Go 4
#5 Okinaga Hiromitsu 4
#6 Murai Yasushi 4
#7 Kishi Hirokatsu 2
#8 Oyadomari Motochika 2
#9 Koizumi Masuo 2
#10 Nakazawa Masao 1

Latest patents

Publication Filing date Title
JP2020203233A Dust collection system
JP2019130437A Dust collection system
JP2017222324A Tire slip prevention mechanism and wheel and blade used in the same
JP2014023714A Store fixture equipment, and event facilities using the equipment
JP2013039124A Seed plug and method for purifying contaminated soil
JP2013022379A Seat cover
JP2010179209A Method of cleaning contaminated soil
JP2010076738A Antiskid device for vehicular tire
JP2010105432A Camper box and camper
JP2006044639A Non-skid device for tire
JP2003238877A Manufacturing method of black writing fluid and ink stick rubber achieving said method
JPH10146249A Hanger rack for trnsporting clothes
JPH10138703A Automatic brake caster
JPH081598A Window glass removing method and device thereof
JPH06320096A Method and device for applying paint for cutting ultraviolet or the like
JPH01278658A Cave filling support tool
JPH01278657A Cave filling support tool
JPH01271566A Cross binding of iron reinforcement or the like
JPH01266387A Hole plugging supporter