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ASAHI LITE OPTICAL CO LTD

Overview
  • Total Patents
    65
About

ASAHI LITE OPTICAL CO LTD has a total of 65 patent applications. Its first patent ever was published in 1991. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets machines, optics and macromolecular chemistry and polymers are EMIL CZAPEK, PILKINGTON VISIONCARE HOLDINGS and ASAHI OPT KK.

Patent filings per year

Chart showing ASAHI LITE OPTICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kobayashi Tadashi 23
#2 Saito Yuyoshi 15
#3 Kagei Kazunori 15
#4 Sonezaki Akira 10
#5 Washida Masanori 9
#6 Sonezaki Hizashi 9
#7 Ono Kotaro 6
#8 Kato Shoji 6
#9 Washida Masayoshi 4
#10 Matsui Akihide 4

Latest patents

Publication Filing date Title
JP2010150309A Water-based primer composition, and plastic article using the same
JP2010134090A Method of manufacturing plastic lens for glasses having organic anti-reflection film
JP2010122374A Impact-resistant plastic lens
JP2008132783A Production process of resin lens and resin lens
JP2008281791A Polarizing lens made of plastic
JP2007323062A Composite plastic lens
JP2007206711A Plastic lens for eyeglasses with high refractive index
TW200722489A Coating composition and light-transmitting resin product
JP2006241447A Primer composition and plastic lens using the same
JP2006251413A Plastic lens using polycarbonate resin
US2006127676A1 Coating composition and resin product having light transmitting property
JP2006010799A Hard coat composition and plastic lens
US2006170862A1 Bifocal plastic lens
JP2005305310A Method for manufacturing light-transmissive resin product and light-transmissive resin product
JP2005234066A Antifogging spectacle lens and its manufacturing method
JP2004352802A Method for removing hard coat film
WO03009983A1 Semi-finished resin lens, and method and apparatus for producing the same
WO03008171A1 Method for producing resin lens and the resin lens
JP2003315749A Dummy lens for spectacles
JP2003140094A Plastic lens for spectacles