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HOKOKU KOGYO

Overview
  • Total Patents
    462
  • GoodIP Patent Rank
    107,358
  • Filing trend
    ⇧ 166.0%
About

HOKOKU KOGYO has a total of 462 patent applications. It increased the IP activity by 166.0%. Its first patent ever was published in 1974. It filed its patents most often in Japan, EPO (European Patent Office) and Australia. Its main competitors in its focus markets environmental technology, civil engineering and packaging and shipping are MARUSHIMA HYDRAULIC GATE, DAIHO KENSETSU and MIYAZAKI KUNIO.

Patent filings per year

Chart showing HOKOKU KOGYOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Aragata Kunikazu 76
#2 Akata Satoru 55
#3 Uchida Hirokatsu 38
#4 Sasaki Setsuo 34
#5 Yamashita Hidetoshi 33
#6 Usui Kenji 29
#7 Shitami Kouji 25
#8 Matsushita Katsuteru 20
#9 Fujikawa Hiroshi 19
#10 Okamoto Koji 18

Latest patents

Publication Filing date Title
JP2019206897A Water gate opening/closing device and its opening/closing method
JP2020007847A Sluice gate opening/closing device
JP2019218720A Water gate opening/closing device and opening/closing control method therefor
JP2019218719A Water gate opening/closing device and opening/closing control method therefor
JP2019210679A Sluice opening and closing device
JP2019194404A Water gate opening/closing device
JP2019194403A Water gate opening/closing device and opening/closing control method of the same
JP2019148066A Water gate opening/closing device
JP2019019563A Horizontally sliding gate
JP2018178591A Device for opening and closing sluice gate
JP2017061852A Water gate switchgear
JP2018021368A Water gate device
JP2016214766A Assembly type storage
JP2015129389A Operation interlocking device of sluice gate equipment
JP2015129390A Sluice gate opening and closing device
JP2015071922A Water gate opening-closing device and opening-closing control method
JP2014114550A Dam's discharge gate
JP2014109170A Flood gate opening and closing device
JP2014109168A Flood gate opening and closing device
JP2014101739A Circular arc-type roller gate