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YOKOYAMA KOICHI

Overview
  • Total Patents
    15
About

YOKOYAMA KOICHI has a total of 15 patent applications. Its first patent ever was published in 1991. It filed its patents most often in Japan and United States. Its main competitors in its focus markets chemical engineering, environmental technology and packaging and shipping are WUHAN KAIDI ELECTRIC POWER CO LTD, CO2CRC TECHNOLOGIES PTY LTD and CARBON CLEAN SOLUTIONS LTD.

Patent filings in countries

World map showing YOKOYAMA KOICHIs patent filings in countries
# Country Total Patents
#1 Japan 13
#2 United States 2

Patent filings per year

Chart showing YOKOYAMA KOICHIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yokoyama Koichi 15
#2 Takamoto Shigehito 2
#3 Miyamoto Eiji 2
#4 Oda Naoki 2
#5 Shimamura Jun 1
#6 Kuramoto Masaharu 1
#7 Katsube Toshio 1
#8 Kikkawa Hirofumi 1

Latest patents

Publication Filing date Title
JP2010226686A Book scanner
JP2009241996A Instrument capable of limiting and saving amount of discharging obtained by one pushing operation
JP2006346408A Scissors
JP2005147470A Belt type cooling machine
JP2005147471A Double belt type cooling machine
JP2003004357A Steel belt type cooler
JP2000335814A Tape cut imparting peeling place to adhesive tape
JP2000191121A Connecting structure of rope member in steel belt
JP2000088430A Spray nozzle unit for belt type cooler
JPH11316071A Side seal mechanism for steel belt type cooling machine
JPH11262442A Blowing motor and hanger with heater
JPH06219383A Rotary blade for propulsion
JPH06235579A Nozzle device for steel belt-type cooler