Learn more

PHOTOPROTECTIVE TECHN INC

Overview
  • Total Patents
    15
  • GoodIP Patent Rank
    236,803
About

PHOTOPROTECTIVE TECHN INC has a total of 15 patent applications. Its first patent ever was published in 1988. It filed its patents most often in United States, Australia and EPO (European Patent Office). Its main competitors in its focus markets optics, machines and civil engineering are ADLENS BEACON INC, ULVIO KARI and DANYANG JINGTONG GLASSES TECHNOLOGY INNOVATION SERVICE CENTRAL CO LTD.

Patent filings per year

Chart showing PHOTOPROTECTIVE TECHN INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gallas James M 8
#2 Gallas James 6
#3 Hessel Ira 1
#4 Lozano John-Paul 1

Latest patents

Publication Filing date Title
US2015153489A1 Light filters that minimize suppression of melatonin and loss of color perception
WO2007130656A2 Light filters using yellow melanin and melanin-like oligomers and photochromic dyes
CA2536272A1 Light filters using the oxidative polymerization product of 3-hydroxykynurenine (3-ohkyn)
US6825975B2 Light filters using the oxidative polymerization product of 3-Hydroxykynurenine (3-OHKyn)
US5112883A Medium incorporating melanin as an absorbing pigment against electromagnetic radiation
US5036115A Optical lens system incorporating melanin as an absorbing pigment for protection against electromagnetic radiation
US5047447A Medium incorporating melanin as an absorbing pigment for protection against electromagnetic radiation
US5187207A Melanin hydrophilic contact lenses
AU4622689A Medium incorporating melanin as an absorbing pigment for protection against electromagnetic radiation
US5116884A Melanin hydrophilic contact lenses