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KOA DENKO

Overview
  • Total Patents
    43
About

KOA DENKO has a total of 43 patent applications. Its first patent ever was published in 1976. It filed its patents most often in Japan, Germany and France. Its main competitors in its focus markets electrical machinery and energy and semiconductors are WATLOW ELECTRIC MFG CO, SADWICK LAURENCE P and LUMITEC AG.

Patent filings in countries

World map showing KOA DENKOs patent filings in countries
# Country Total Patents
#1 Japan 39
#2 Germany 1
#3 France 1
#4 United Kingdom 1
#5 United States 1

Patent filings per year

Chart showing KOA DENKOs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Kitabayashi Motoi 9
#2 Hayashi Takuo 7
#3 Miyazawa Naotoshi 5
#4 Hirasawa Yukihiro 5
#5 Imai Tadamitsu 5
#6 Shishiba Tadashi 4
#7 Yamazaki Takeshi 4
#8 Oota Shirou 4
#9 Ozawa Norihiko 4
#10 Takefushi Iwao 3

Latest patents

Publication Filing date Title
JPS60150603A Network element
JPS60148101A Method of grinding resistance film of small resistor
JPS60124397A Electroluminescent element
JPS60121703A Method of producing chip resistor
JPS60107801A Chip resistor and method of producing same
JPS6081801A Method of producing chip resistor
JPS6081802A Method of producing chip resistor
JPS6050988A Chip element
JPS6049610A Method of producing chip-shaped solid resistor
JPS6049611A Method of producing chip-shaped solid resistor
JPS6049602A Chip-shaped solid resistor
JPS6049282A Detecting device for sticking of paint of lead wire
JPS6049609A Method of producing chip-shaped solid resistor
JPS603104A Method of producing chip resistor
JPS59215786A Blank board for punching printed circuit board
JPS59202608A Method of operating small-sized chip resistor
JPS59138301A Small-sized resistor
JPS5975606A Conveyor in producing step for electronic part
JPS5956706A Method of welding lead wire of resistor
JPS5932120A Composite circuit element and method of producing same