Learn more

KATO SPRING WORKS CO LTD

Overview
  • Total Patents
    33
About

KATO SPRING WORKS CO LTD has a total of 33 patent applications. Its first patent ever was published in 1990. It filed its patents most often in Japan, EPO (European Patent Office) and United States. Its main competitors in its focus markets machines, civil engineering and mechanical elements are SMITH WILLIAM C, CLEARMAN JACK F and SKINNER IRRIGATION COMPANY.

Patent filings per year

Chart showing KATO SPRING WORKS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sato Takashi 8
#2 Chikashige Kiyoshi 6
#3 Mizuochi Akira 6
#4 Tokui Ryusuke 3
#5 Cosenza Frank J 3
#6 Hirota Masaho 2
#7 Kubota Naoki 2
#8 Yamada Tsuneo 1
#9 Mukai Shiro 1
#10 Imashimizu Azumi 1

Latest patents

Publication Filing date Title
WO0141611A1 Valve unit and container
JP2001165239A Damper unit
JP2001093634A Socket for semiconductor package
JP2001068079A Resin molding with metal terminal and manufacture thereof and device for manufacturing resin molding with metal terminals
JP2000154817A Insert with removable tonque
JP2000123517A Information recording disk
JPH11333751A Tool for tongueless coil thread
JPH11299512A Device for opening of hole for piercing earring
JPH11280753A Shaft lock device
JPH11210714A Fixing device
US5709700A Hole making device
US5715575A Hinge device
US5456145A Installation tool for tangless helically coiled insert
EP0551977A1 Pierced earring hole maintenance device
GB9223240D0 Shaft lock mechanism