Learn more

PHOTRAN CORP

Overview
  • Total Patents
    13
About

PHOTRAN CORP has a total of 13 patent applications. Its first patent ever was published in 1992. It filed its patents most often in United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets optics, machines and electrical machinery and energy are INNOVATION & INFINITY GLOBAL C, AFG IND INC and AGC FLAT GLASS NORTH AMERICA.

Patent filings in countries

World map showing PHOTRAN CORPs patent filings in countries

Patent filings per year

Chart showing PHOTRAN CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Austin R Russel 6
#2 Stevenson David E 4
#3 Obushenko Ivan M 2
#4 Pellicori Samuel F 2
#5 Kowalevskii Dmitri 1
#6 Kishinevsky Michael 1
#7 Humberstone Geoffrey H 1

Latest patents

Publication Filing date Title
US5777863A Low-frequency modulated current mode power supply for magnetron sputtering cathodes
US5776594A Transparent electrodes for liquid cells and liquid crystal displays
US5679131A Method for producing titanium oxide from ore concentrates
US5556694A Faceplate for a touch-sensitive video display unit
US5528319A Privacy filter for a display device
WO9508439A1 A visible-spectrum anti-reflection coating including electrically-conductive metal oxide layers
US5512390A Light-weight electrical-storage battery
WO9419709A1 A light attenuating anti-reflection coating including electrically conductive layers
US5508091A Transparent electrodes for liquid cells and liquid crystal displays
US5421979A Load-lock drum-type coating apparatus
US5337191A Broad band pass filter including metal layers and dielectric layers of alternating refractive index
US5328585A Linear planar-magnetron sputtering apparatus with reciprocating magnet-array