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YOKOGAWA ELECTRIC WORKS LTD

Overview
  • Total Patents
    2,761
About

YOKOGAWA ELECTRIC WORKS LTD has a total of 2,761 patent applications. Its first patent ever was published in 1931. It filed its patents most often in Japan, United States and United Kingdom. Its main competitors in its focus markets measurement, computer technology and control are HOKUSHIN ELECTRIC WORKS, YOKOGAWA HOKUSHIN ELECTRIC and SIMMONDS PRECISION PRODUCTS.

Patent filings in countries

World map showing YOKOGAWA ELECTRIC WORKS LTDs patent filings in countries
# Country Total Patents
#1 Japan 2,422
#2 United States 106
#3 United Kingdom 79
#4 Germany 46
#5 Brazil 30
#6 Canada 21
#7 Australia 19
#8 Netherlands 17
#9 Republic of Korea 6
#10 France 4
#11 China 3
#12 India 3
#13 Mexico 2
#14 Finland 1
#15 Norway 1
#16 Sweden 1

Patent filings per year

Chart showing YOKOGAWA ELECTRIC WORKS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Oote Akira 146
#2 Ueda Toshitsugu 95
#3 Sumi Akira 94
#4 Kurita Yoshio 82
#5 Inao Kiyoharu 75
#6 Yamaguchi Keiki 75
#7 Wakasa Yutaka 66
#8 Iwaoka Hideto 65
#9 Nishihara Tadashi 58
#10 Aga Toshio 57

Latest patents

Publication Filing date Title
CN1005419B Program control method of vessels for liquid evaporation
JPS58193430A Structure for protecting pressure receiving capsule from excessive pressure
JPS5882110A Stature measuring device
JPS5875209A Process controller
JPS5875208A Process controller
JPS5878300A Status detector
GB2124057A Ultrasonic probe for use in ultrasonography
JPS58225496A Current output system
JPS58225304A Optical type mechanical quantity measuring apparatus
JPS58225303A Optical type mechanical quantity measuring apparatus
JPS58225319A Optical fiber sensor
JPS58225474A Recognizing method of closed region
JPS58225305A Optical shape measuring apparatus
JPS58225301A Optical type displacement measuring apparatus
JPS58225473A Clipping circuit of graphic display
JPS58225302A Optical type mechanical quantity measuring apparatus
JPS58225411A Multipoint input processor
JPS58223844A Plotter
JPS58223908A Current mirror circuit
JPS58221540A Data communication system having relay bus