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HIKARI GLASS CO LTD

Overview
  • Total Patents
    32
  • GoodIP Patent Rank
    72,323
  • Filing trend
    ⇧ 300.0%
About

HIKARI GLASS CO LTD has a total of 32 patent applications. It increased the IP activity by 300.0%. Its first patent ever was published in 2002. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets materials and metallurgy, optics and audio-visual technology are ISUZU SEIKO GLASS KK, CDGM GLASS CO LTD and CDGM OPTICAL GLASS CO LTD.

Patent filings in countries

World map showing HIKARI GLASS CO LTDs patent filings in countries
# Country Total Patents
#1 Japan 21
#2 WIPO (World Intellectual Property Organization) 5
#3 United States 4
#4 China 2

Patent filings per year

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

Focus technologies

# Technology
#1 Treatment of glass
#2 Optical systems
#3 Television
#4 Cameras

Top inventors

# Name Total Patents
#1 Iguchi Noriaki 14
#2 Koide Tetsuya 6
#3 Sugiyama Ryo 6
#4 Kodama Takato 5
#5 Takishita Akihiro 3
#6 Okuyama Kazuki 2
#7 Nakayama Yoshiyuki 2
#8 Yamazaki Takahiro 2
#9 Isowaki Jyunichi 1
#10 Otaka Kazuma 1

Latest patents

Publication Filing date Title
JP2020037514A Optical glass, optical element and optical device using optical glass
WO2020188868A1 Optical glass, optical element, optical system, interchangeable lens, and optical device
WO2020110341A1 Optical glass, optical element, optical system, interchangeable lens, and optical device
JP2020059641A Optical glass, optical element using optical glass, optical system, interchangeable lens, optical device, and manufacturing method of optical glass
JP2020015641A Optical glass, optical element using optical glass, optical system, interchangeable lens, and optical device
JP2019137598A Optical glass, optical element, optical system, interchangeable lens for camera, and optical device
JP2019001675A Optical glass, and optical element and optical device using the same
JP2018104204A Optical glass, optical element using optical glass, and optical device
JP2018080074A Optical glass, optical element, and optical device
WO2017110304A1 Optical glass, optical element, and optical device
JP2018058715A Optical glass, optical element prepared with optical glass, and optical device
JP2018048034A Optical glass, and optical element and optical device prepared with optical glass
JP2017105656A Optical glass, optical element prepared with optical glass, and optical device
JP2017043498A Optical glass, optical element, and optical device
JP2017036188A Optical glass, optical element, and optical device
JP2017036187A Optical glass, optical element prepared with optical glass, and optical device
JP2016222512A Optical glass, optical element prepared with optical glass, and optical device
JP2016222511A Optical glass, optical element prepared with optical glass, and optical device
JP2016117598A Optical glass, and optical element and optical device prepared with optical glass
JP2015135372A Optical filter and imaging lens