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KANTATSU CO LTD

Overview
  • Total Patents
    570
  • GoodIP Patent Rank
    3,529
  • Filing trend
    ⇧ 113.0%
About

KANTATSU CO LTD has a total of 570 patent applications. It increased the IP activity by 113.0%. Its first patent ever was published in 2004. It filed its patents most often in United States, Japan and China. Its main competitors in its focus markets optics, audio-visual technology and machines are CHENGDU HENGTONG PHOTOELECTRIC COMM CO LTD, GUANGDONG XUYE OPTOELECTRONICS TECH CO LTD and NANCHANG OFILM PREC OPTICAL PRODUCTS CO LTD.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Hashimoto Masaya 122
#2 Hirano Hitoshi 93
#3 Fukaya Hisao 85
#4 Kubota Yoji 74
#5 Kubota Kenichi 72
#6 Sekine Yukio 68
#7 Oshima Eiji 62
#8 Yonezawa Tomohiro 46
#9 Ise Yoshio 34
#10 Nitta Koji 30

Latest patents

Publication Filing date Title
US2021069988A1 Three-dimensional additive manufacturing apparatus, three-dimensional additive manufacturing apparatus adjustment method, and three-dimensional additive manufacturing apparatus adjustment program
US2021069978A1 Vat for three-dimensional manufacturing apparatus and three-dimensional manufacturing apparatus
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JP2020074427A Circuit pattern manufacturing device, circuit pattern forming sheet, circuit pattern forming substrate, circuit pattern manufacturing method, and circuit pattern manufacturing program
JP2021001938A Imaging lens
JP2020201382A Imaging lens
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JP2019079061A Optical engine and manufacturing method of the same, and projector
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