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OSD ENVIZION COMPANY

Overview
  • Total Patents
    12
About

OSD ENVIZION COMPANY has a total of 12 patent applications. Its first patent ever was published in 1991. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Republic of Korea. Its main competitors in its focus markets optics, medical technology and measurement are MICROTECH INSTR INC, LANSING RESEARCH CORP and ELDIM.

Patent filings in countries

World map showing OSD ENVIZION COMPANYs patent filings in countries
# Country Total Patents
#1 United States 6
#2 WIPO (World Intellectual Property Organization) 4
#3 Republic of Korea 2

Patent filings per year

Chart showing OSD ENVIZION COMPANYs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Optics
#2 Medical technology
#3 Measurement

Top inventors

# Name Total Patents
#1 Fergason John D 12
#2 Fergason Jeffrey K 9
#3 Fergason James L 5
#4 Berman Arthur L 5

Latest patents

Publication Filing date Title
US5377032A Electro-optic light shutter and frame assembly with integrated switching mechanism
WO9313449A1 Eye protection device for welding helmets and the like
US5347383A High speed, low power driving circuit for liquid crystal shutter
US5248880A Detector system for detecting the occurrence of welding
US5252817A Detector system for detecting the occurrence of welding using detector feedback
US5208688A Eye protection device for welding helmets