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V TECH CO LTD

Overview
  • Total Patents
    621
  • GoodIP Patent Rank
    2,625
  • Filing trend
    ⇧ 33.0%
About

V TECH CO LTD has a total of 621 patent applications. It increased the IP activity by 33.0%. Its first patent ever was published in 2009. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and China. Its main competitors in its focus markets semiconductors, optics and machine tools are HAWRYLUK ANDREW M, RNR LAB INC and SEWOOINCORPORATION CO LTD.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Mizumura Michinobu 255
#2 Kajiyama Koichi 129
#3 Arai Toshinari 84
#4 Hirano Takafumi 61
#5 Yanagawa Yoshikatsu 54
#6 Yonezawa Makoto 52
#7 Hashimoto Kazushige 39
#8 Fukaya Koichiro 38
#9 Fujimori Yuya 38
#10 Hatanaka Makoto 33

Latest patents

Publication Filing date Title
WO2021070643A1 Lighting device for proximity exposure device, led unit, proximity exposure device, and exposure method of proximity exposure device
WO2021039365A1 Laser annealing device and method for forming crystallized film
WO2021039310A1 Laser annealing device and laser annealing method
WO2021029207A1 Light emitting display device, and pixel circuit chip for light emitting display device
WO2021015099A1 Exposure device and exposure method
WO2021033417A1 Defective part recognition device and defective part recognition method
WO2021033416A1 Microscope image measurement device and microscope image measurement method
WO2021010079A1 Electronic component mounting structure, electronic component mounting method, and led display panel
WO2020262034A1 Electronic component mounting structure, method for mounting same, and method for mounting led chip
WO2021005907A1 Laser repair method and laser repair device
WO2020179740A1 Light source device for exposure, exposure device, and exposure method
CN111434458A Polishing head and polishing device
WO2020130090A1 Light irradiation device for light exposure device
JP2021009985A Electronic component mounting structure, mounting method thereof, and led chip mounting method
JP2021007139A Electronic component mounting structure, its mounting method, led display panel, and led chip mounting method
JP2020201457A Laser correction method and laser correction apparatus
JP2020201221A Laser correction method and laser correction device
JP2020202266A Light irradiation control device and light irradiation control method
JP2020202252A Pasting device, pasting method and method for manufacturing display device
WO2020003869A1 Board mounting method and electronic component mounting board