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YOKEN CO LTD

Overview
  • Total Patents
    22
About

YOKEN CO LTD has a total of 22 patent applications. Its first patent ever was published in 1978. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets packaging and shipping, environmental technology and machines are STERLING SEAL CO, TECHNOLOGY CONTAINER CORP and YAMANA SHIGERU.

Patent filings in countries

World map showing YOKEN CO LTDs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Sasaki Jiyunzaburou 12
#2 Murata Yutaka 9
#3 Kimura Kinichi 5
#4 Bonshihara Atsushi 4
#5 Kumano Kazuhiro 4
#6 Hiraiwa Kunihiko 3
#7 Kaneshige Mitsuo 2
#8 Harada Seiichi 2
#9 Sasaki Junzaburo 1
#10 Genjida Fumihide 1

Latest patents

Publication Filing date Title
JPH11157914A Modification of ceramics using waste plastic
JPH1059775A Manufacture of roofing tile
JPH09286674A Lightweight clay roofing tile
JPH09193133A Manufacture of clay tile
JPH07232794A Formation of detecting layer of reinforced plastic double shell tank
JPH04228780A Execution method for heat generating material
JPH04224158A Pretreatment for plasma spraying for building material in ceramics industry
JPH04224155A Vessel and wall material comprising cray for pottery
JPH0497001A Railway bed for snow hawing and sleeper
JPH0218347A Microwave drying method of tile stock
JPH028688A Heat exchanging system in tunnel type kiln
US4768887A Method for discharging liquid stored in flexible sealed bag and flexible sealed bag for storing liquid
US4669124A Beverage container with tamperproof screwthread cap
GB8426108D0 A container
JPS55161721A Article transfer device on conveyor line
JPS55161718A Transfer unit for conveyor line
JPS55126018A Method of automatically loading tiles into pallet
JPS55113684A Tile glazing device
JPS55100276A Tile carring device
JPS5598027A Method of stacking tile on pallet