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OKAMOTO GLASS CO LTD

Overview
  • Total Patents
    68
  • GoodIP Patent Rank
    89,631
  • Filing trend
    0.0%
About

OKAMOTO GLASS CO LTD has a total of 68 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 1999. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and China. Its main competitors in its focus markets optics, materials and metallurgy and machines are SHANGHAI FEIBO LASER TECH CO LTD, PILKINGTON UK LTD and HEFEI DINGLIANG OPTICAL TECHNOLOGY CO LTD.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Takeshima Nobuhito 23
#2 Arai Atsushi 14
#3 Nishimura Hiromichi 10
#4 Jabri Khaled 7
#5 Yokota Kaoru 6
#6 Narita Yoshihiro 6
#7 Noro Yoshihiko 6
#8 Kikuzuki Koji 5
#9 Omi Kenichi 5
#10 Maru Tomohisa 5

Latest patents

Publication Filing date Title
TW201943659A Mold for glass-made optical component molding use, and method for manufacturing glass-made optical component using said mold
WO2017191693A1 Pressure-resistant glass sphere
JP2017185634A Antifogging article
JP2017025122A Phosphor-dispersed glass
CN106062590A High-durability silver mirror
WO2015159726A1 Cube-shaped polarized beam splitter module
EP2866087A1 Video camera with housing for underwater imaging
WO2014080716A1 Flat plate type functional polarizer and glass polarizer type polarization beam splitter
JP2015060217A Polarizing device
JP2014106254A Polarization beam splitter module
JP2014015347A Low softening point glass powder
JP2013237590A Low softening point glass powder
JP2013071860A Lead-free white glass ceramic substrate
JP2013072984A Glass polarizer
JP2013071861A Low softening point glass powder
JP2013071862A Low softening point glass powder
JP2012225956A Glass polarizer and method for manufacturing the same
JP2011197465A Glass polarizing element
JP2011059592A Glass polarizing element and manufacturing method thereof
JP2011059593A Glass polarizing element and manufacturing method thereof