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OPT ENG CO LTD

Overview
  • Total Patents
    46
About

OPT ENG CO LTD has a total of 46 patent applications. Its first patent ever was published in 1990. It filed its patents most often in United States, Japan and Germany. Its main competitors in its focus markets machine tools, machines and mechanical elements are AVDEL TEXTRON LTD, AVDEL VERBINDUNGSELEMENTE and EMIL BECKER.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Ohuchi Masatoshi 33
#2 Kobayashi Hirokatsu 11
#3 Matsumoto Masaru 10
#4 Ouchi Masatoshi 8
#5 Uchi Masatoshi 1
#6 Hirokatsu Kobayashi 1
#7 Masatoshi Kobayashi Hirokatsu 1
#8 Masatoshi Ohuchi 1
#9 Masatoshi Ouchi 1
#10 Mizuta Shuichi 1

Latest patents

Publication Filing date Title
JP2010075961A Consecutive riveter
JP2009041731A Rivet holding body
JP2006224167A Device for mounting rivets on rivet retaining band
BR0306220A Continuous Riveter, and Continuous Method to Strike Blind Rivets
PL374685A1 Continuous riveter and method of continuously caulking blind rivets
WO2004082865A1 Device for installing rivets on rivet holding body
JP2003247277A Reinforcing metal fitting for column, column fixing structure using it, and column fixing method
KR20030037368A Continuous riveter
AU8366201A Continuous riveter
JP2003103336A Continuous riveter
JP2002370712A Method of collecting used fittings such as rivet and nail
TW396071B Blind rivet holder
TW404864B Continuous riveter
GB9323506D0 Continuous riveting machine for fastening blind rivets
GB9314806D0 Continuous riveting method
DE4118459A1 BLIND RIVETING MACHINE WITH AUTOMATIC CHARGER
DE4023799A1 RIVET FEED