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YAMAMOTO ELECTRIC IND CO LTD

Overview
  • Total Patents
    103
  • GoodIP Patent Rank
    227,080
About

YAMAMOTO ELECTRIC IND CO LTD has a total of 103 patent applications. Its first patent ever was published in 1966. It filed its patents most often in Japan, United States and Germany. Its main competitors in its focus markets electrical machinery and energy, machines and textiles and paper are SWITCHED RELUCTANCE DRIVES LTD, HATSUPII SEWING MACHINE SEIZOU and JANECEK JIRI.

Patent filings in countries

World map showing YAMAMOTO ELECTRIC IND CO LTDs patent filings in countries
# Country Total Patents
#1 Japan 78
#2 United States 14
#3 Germany 8
#4 United Kingdom 2
#5 Italy 1

Patent filings per year

Chart showing YAMAMOTO ELECTRIC IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Soeda Katsuji 65
#2 Sakuma Fumio 47
#3 Ooyama Masuhiro 35
#4 Yamamoto Masamichi 9
#5 Ooyama Mitsuhiro 6
#6 Takiguchi Takafumi 5
#7 Tanizawa Akira 4
#8 Kuwana Tadashi 3
#9 Soeda K 3
#10 Oyama Mitsuhiro 3

Latest patents

Publication Filing date Title
JP2019197001A Sensor
JP2013160693A Pressure type level meter
JP2009063500A Level gauge sensor
JP2002195867A Sensor
JPH08304257A Method and instrument for measuring specific gravity in saturated surface-dry condition of sand
JPH06119006A Control method by fuzzy inference
JPH04194412A Failure detecting method for rolling bearing
JPH0454602A Fuzzy inference device
JPS63198859A Moisture meter sensor for particulate matter
JPS62114494A Controller for synchronous motor
JPS60174941A Moisture meter for bulk matter and sensor therefor
JPS6051552A Control circuit in rice-cleaning machine
JPS6046756A Manufacture of wound-rotor type flat motor armature
JPS6035941A Manufacture of wound-rotor type flat motor armature
JPS605759A Manufacture of flat motor armature
JPS59216047A Moisture meter for powdery granule
JPS59168306A Apparatus for measuring state of road surface
JPS598997A Needle indicating position stop control apparatus of electromotive sewing machine
JPS58218889A Speed controller for dc motor
JPS5822597A Speed control device for single phase ac commutator motor