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SANPOUROTSUKU YUUGEN

Overview
  • Total Patents
    11
About

SANPOUROTSUKU YUUGEN has a total of 11 patent applications. Its first patent ever was published in 1975. It filed its patents most often in Japan. Its main competitors in its focus markets electrical machinery and energy and civil engineering are SCHMERSAL K A HOLDING GMBH & CO KG, SIMON FUTRAN and VALEO SIST S DE SEGURIDAD S A.

Patent filings in countries

World map showing SANPOUROTSUKU YUUGENs patent filings in countries
# Country Total Patents
#1 Japan 11

Patent filings per year

Chart showing SANPOUROTSUKU YUUGENs patent filings per year from 1900 to 2020

Focus technologies

# Technology
#1 Locks
#2 Electric switches

Top inventors

# Name Total Patents
#1 Miyamae Yasuo 6
#2 Minemura Toshio 4
#3 Suzuki Takao 2
#4 Sekiguchi Morishige 1
#5 Miyamae Masuo 1
#6 Satou Nobuo 1

Latest patents

Publication Filing date Title
JPS5491784A Key switch
JPS5470198A Electrically controlled lock
JPS5470199A Electrically controlled lock
JPS5470197A Electrically controlled lock
JPS5470196A Electrically controlled lock
JPS5418085A Key switch
JPS53113698A Lock
JPS5398070A Key switch
JPS5354125A Method of making pellet
JPS5322817A Method of manufacturing pellet
JPS5264400A Padlock