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.
# | Country | Total Patents | |
---|---|---|---|
#1 | Japan | 424 | |
#2 | United States | 14 | |
#3 | China | 10 | |
#4 | Canada | 7 | |
#5 | Germany | 7 | |
#6 | France | 7 | |
#7 | United Kingdom | 7 | |
#8 | WIPO (World Intellectual Property Organization) | 6 | |
#9 | Australia | 5 | |
#10 | South Africa | 5 | |
#11 | EPO (European Patent Office) | 3 | |
#12 | Italy | 3 | |
#13 | Republic of Korea | 2 | |
#14 | USSR (Union of Socialist Soviet Republics) | 2 | |
#15 | India | 1 | |
#16 | Malaysia | 1 |
# | Industry | |
---|---|---|
#1 | Engines, pumps and turbines | |
#2 | Machines | |
#3 | Electrical machinery and energy | |
#4 | Environmental technology | |
#5 | Chemical engineering | |
#6 | Mechanical elements |
# | Technology | |
---|---|---|
#1 | Rotary-pistons | |
#2 | Unspecified technologies | |
#3 | Pumps | |
#4 | Rotary pistons | |
#5 | Climate change mitigation in transportation | |
#6 | Electric motor controls | |
#7 | Internal-combustion piston engines | |
#8 | Separation | |
#9 | Centrifuges | |
#10 | Venting or aerating devices |
# | 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 |
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 |