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HOKUETSU KOGYO CO

Overview
  • Total Patents
    504
  • GoodIP Patent Rank
    20,927
  • Filing trend
    ⇩ 7.0%
About

HOKUETSU KOGYO CO has a total of 504 patent applications. It decreased the IP activity by 7.0%. Its first patent ever was published in 1972. It filed its patents most often in Japan, United States and China. Its main competitors in its focus markets engines, pumps and turbines, machines and electrical machinery and energy are KYUNGWON MACHINERY CO LTD, MICROPUMP INC and MOUVEX.

Patent filings per year

Chart showing HOKUETSU KOGYO COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tanaka Masanori 49
#2 Sango Masayuki 46
#3 Kojima Yukihiro 40
#4 Kanai Junichi 35
#5 Sato Goro 31
#6 Tanigawa Katsumi 20
#7 Kato Tetsuya 20
#8 Kaneko Katsu 16
#9 Maehara Atsushi 15
#10 Terao Masayoshi 15

Latest patents

Publication Filing date Title
WO2021039915A1 Operation panel for aerial work vehicles
WO2021039738A1 Method and device for preventing collision of aerial work platform with upward obstacle
JP2020190223A Drain discharge mechanism of work machine
JP2020180557A Capacity control device of engine driving compressor
JP2020180556A Waterproof structure of soundproof box
JP2020148103A Shaft seal device
JP2020148102A Waterproof structure of soundproof box
JP2020133791A Bypass valve
JP2020120557A Engine driving type power generator
JP2020084850A Engine driving work machine
JP2020070721A Engine-driven work machine
JP2020067029A Engine-driven power generator
JP2020051356A Drain processing unit structure for oil-cooled compressor
JP2020033956A Operation control method of compressor for gas generator and compressor for gas generator, as well as gas generator with compressor
JP2020028860A Gas generation equipment
JP2020026763A Engine drive-type work machine
JP2020016185A Compressor operation control method and compressor
JP2020008038A Gas control valve
JP2020008028A Soundproof box for work machine
JP2019190599A Follow-up pressure valve