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BENKAN CORP

Overview
  • Total Patents
    189
  • GoodIP Patent Rank
    173,497
  • Filing trend
    ⇧ 300.0%
About

BENKAN CORP has a total of 189 patent applications. It increased the IP activity by 300.0%. Its first patent ever was published in 1988. It filed its patents most often in Japan, United States and Republic of Korea. Its main competitors in its focus markets mechanical elements, machines and environmental technology are PEROLO J & CIE SA ETS, SEIFFERT FRANZ and FUJI METAL MFG.

Patent filings per year

Chart showing BENKAN CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Matsumoto Shigeyuki 31
#2 Aono Fumiaki 25
#3 Kanazawa Masao 23
#4 Iwabuchi Toshiaki 22
#5 Motoda Mitsuaki 17
#6 Kimura Yoshiro 16
#7 Fuse Kenji 15
#8 Sugawara Keisuke 15
#9 Yabe Yasuo 14
#10 Fukushima Yoshitomo 13

Latest patents

Publication Filing date Title
JP2020012518A Drain pipe joint, drain joint structure with the same, and repair method for vertical drain pipe
JP2019219029A Joint and construction method of joint
JP2019218763A Drain joint unit, drain joint structure having the same, and method of repairing drainpipe
JP2019199701A Bathroom renovation method and drain joint
JP2017221792A Knockdown toy
JP2016179147A Assembly toy
JP2002346313A Filter apparatus
JP2002277094A Heater for hydrogen storage apparatus
JP2002277093A Heater for hydrogen storage apparatus
JP2002250474A Supporting device for pipe at corner
JP2002228062A Pipe joint
JP2002195464A Flexible tube, joint for flexible tube, and manufacturing method therefor
JP2002173960A City water treating supply device for domestic use
JP2001289345A Flow control valve
JP2002089746A Piping support device
JP2002048299A Centralized gas controller
JP2001304495A Hydrogen storing device
JP2001295986A Vacuum heat insulating material and its manufacturing method
JP2001214987A Evacuation valve
JP2001206704A Hydrogenating method of carbon oxide