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ITO OPTICAL IND CO LTD

Overview
  • Total Patents
    108
  • GoodIP Patent Rank
    67,851
  • Filing trend
    ⇩ 40.0%
About

ITO OPTICAL IND CO LTD has a total of 108 patent applications. It decreased the IP activity by 40.0%. Its first patent ever was published in 1980. It filed its patents most often in Japan, Australia and United States. Its main competitors in its focus markets optics, machines and macromolecular chemistry and polymers are BEECHER WILLIAM J, GLOTEC CO LTD and 2C OPTICS INC.

Patent filings per year

Chart showing ITO OPTICAL IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kato Hirohisa 36
#2 Makino Kazuo 16
#3 Oda Hirobumi 13
#4 Kawai Norio 11
#5 Shimizu Takehiro 11
#6 Murai Yukio 11
#7 Honda Masakazu 10
#8 Uchida Naoki 10
#9 Miyajima Yasushi 8
#10 Kabeya Hideo 6

Latest patents

Publication Filing date Title
JP2020142494A Antibacterial transparent laminate and producing method thereof
JP2019105823A Method for designing lens for eyeglasses and lens for glasses
JP2019211543A Progressive refractive power lens design method
JP2019174647A Spectacle lenses
JP2019086550A Optical element
JP2019015922A Spectacle lens material
JP2018128509A Spectacle lens design method and spectacle lens
JP2018112633A Progressive refractive power lens
JP2018077401A Design method of progressive refractive power lens
JP2018025647A Spectacle base material
JP2017207626A Optical element
JP2017181967A Progressive refractive power lens
JP2016212382A Photochromic member and manufacturing method therefor
JP2017134172A Spectacle lens
JP2017111413A Optical element
JP2017102346A Progressive refractive power lens design method and progressive refractive power lens group
JP2017058632A Spectacle lens design method
JP2017040819A Spectacle material
JP2016071338A Optical element and manufacturing method thereof
JP2016224192A Optical component