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NIHON DENSAN KK

Overview
  • Total Patents
    3,519
  • GoodIP Patent Rank
    1,533
  • Filing trend
    ⇧ 16.0%
About

NIHON DENSAN KK has a total of 3,519 patent applications. It increased the IP activity by 16.0%. Its first patent ever was published in 1981. It filed its patents most often in Japan, China and United States. Its main competitors in its focus markets electrical machinery and energy, audio-visual technology and engines, pumps and turbines are NIDEC CORP, ZHONGSHAN BROAD OCEAN MOTOR and LAING KARSTEN A.

Patent filings in countries

World map showing NIHON DENSAN KKs patent filings in countries
# Country Total Patents
#1 Japan 3,385
#2 China 77
#3 United States 50
#4 Germany 3
#5 EPO (European Patent Office) 3
#6 Taiwan 1

Patent filings per year

Chart showing NIHON DENSAN KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tamaoka Taketo 124
#2 Ichiyama Yoshikazu 99
#3 Osawa Harushige 85
#4 Sekii Yoichi 78
#5 Fujii Yoshio 75
#6 Oku Yoshito 65
#7 Yoshida Hirosuke 62
#8 Kaneda Isao 60
#9 Nishimura Hideki 58
#10 Takemoto Shinji 54

Latest patents

Publication Filing date Title
JP2020197214A Impeller, blower and cleaner
JP2020179391A Coating apparatus
JP2020113988A Waveguide device, electromagnetic wave confinement device, antenna device, microwave chemical reaction device, and radar device
JP2020108147A Antenna device, radar system and communication system
JP2020088863A Method of producing waveguide-to-coaxial adapter array, method of producing antenna array, and method of producing waveguiding device
JP2020096515A Stator member, stator assembly, motor, and electromechanical equipment
JP2020137405A Motor unit
JP2020018165A motor
JP2021010289A Motor unit
JP2020075288A Manufacturing method of high frequency member and high frequency member
JP2020058026A Antenna element and antenna array
JP2020167917A motor
JP2020039122A Horn antennas, antenna arrays, and radar
JP2020031426A Antenna array
JP2020165527A Gas dynamic pressure bearing, motor and fan motor
JP2020025260A Waveguide device and antenna device
JP2021010252A motor
JP2021010260A Bus bar unit manufacturing apparatus
JP2021010214A motor
JP2021010213A motor