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KOYO GIKEN KK

Overview
  • Total Patents
    168
  • GoodIP Patent Rank
    61,133
  • Filing trend
    ⇩ 33.0%
About

KOYO GIKEN KK has a total of 168 patent applications. It decreased the IP activity by 33.0%. Its first patent ever was published in 1974. It filed its patents most often in Japan, China and EPO (European Patent Office). Its main competitors in its focus markets furniture and games, civil engineering and environmental technology are STALMOT & WOLMET SPOLKA Z OGRANICZONA ODPOWIEDZIALNOSCIA, WILLIAM JOSEPH HALL and ZACCARA JOSEPH.

Patent filings in countries

World map showing KOYO GIKEN KKs patent filings in countries

Patent filings per year

Chart showing KOYO GIKEN KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kai Yoshitoshi 80
#2 Ieyumi Masao 50
#3 Kai Koji 30
#4 Suzuki Kazuhiro 18
#5 Kitahara Hidenori 17
#6 Yamashita Naonobu 16
#7 Hashizume Kazuhiro 15
#8 Kaihara Kazutoshi 15
#9 Onoda Yukinori 15
#10 Takarayama Kazuo 14

Latest patents

Publication Filing date Title
JP2020185592A Spot welder
JP2020138212A Pressurization margin adjustment mechanism of welding gun
JP2019150874A Welding condition preparation device and welding condition preparation method
JP2020116510A Filtration device and filter medium cleaning method
CN111219114A Angle-adjustable hinge
JP2020025972A Weld nut feeder and resistance-welding device
JP2019202334A Spot welding machine
JP2019177412A Welding machine and image processing method
JP2019098208A Air nozzle, air lift having the air nozzle and filter device provided with the air lift
JP2019098209A Air lift and filtration equipment equipped with air lift
JP2019084581A Welding system, and method for detecting sign of clogging in cooling water circulation path of resistance welder
JP2019081178A Welding system and method for detecting abnormality on welding-current carrying path in welding system
JP2018192522A Resistance welding device
JP2018192498A Power supply device
JP2018187286A Angle adjustment metal fitting and furniture using the same
JP2018114545A Resistance welder
JP2018111116A Work-piece carrying robot and resistance welder
JP2018094575A Welding machine and welding system
JP2018023984A Electrode for spot welding, and table spot welder
JP2018013441A Strength testing machine