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KYUHEN CO LTD

Overview
  • Total Patents
    33
  • GoodIP Patent Rank
    163,856
  • Filing trend
    ⇩ 66.0%
About

KYUHEN CO LTD has a total of 33 patent applications. It decreased the IP activity by 66.0%. Its first patent ever was published in 2000. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology are POLGAR MIHALY, SUZHOU YITONG RECREATION EQUIPMENT CO LTD and Beijing automobile new energy automobile co ltd.

Patent filings in countries

World map showing KYUHEN CO LTDs patent filings in countries
# Country Total Patents
#1 Japan 33

Patent filings per year

Chart showing KYUHEN CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Fukushima Hiroshi 13
#2 Hayashi Hidemi 9
#3 Noda Takashi 7
#4 Goseki Yukio 4
#5 Suzuki Masahiko 4
#6 Ikejiri Yoshitaka 3
#7 Watanabe Yoshisuke 3
#8 Doi Hideki 3
#9 Yano Masayuki 3
#10 Murata Takanori 3

Latest patents

Publication Filing date Title
JP2019187145A Charger
JP2018186602A Electric power conversion system and reactive power conversion apparatus using the same
JP2018186601A Electric power conversion system and reactive power compensation apparatus using the same
JP2017118820A Automatic voltage regulator and control method therefor
JP2016220519A Reactive power compensator
JP2016103971A Quick charger and quick charging system
JP2016047007A Charger
JP2016015876A Quick charger
JP2016214014A Quick charger
JP2015088507A Oil-filled electric device
JP2014027811A Automatic voltage regulator and method of controlling the same
JP2014027809A Slave station for automatic voltage regulator
JP2012110132A Distribution board and voltage adjustment device unit
JP2012110131A Voltage adjusting device for distribution board
JP2009097730A Automatic reheating device using hot water storage type water heater
JP2007306795A Parallel operation device for mobile transformer
JP2008292086A Hot water storage type water heater
JP2008211002A Method of manufacturing transformer and jig for use in the method
JP2007303998A Oil collecting tool, and oil collection structure for oil-filled electric apparatus
JP2007200667A Manufacturing method of power distribution apparatus bushing, and manufacturing device of the power distribution apparatus bushing