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OPTASOUND CORP

Overview
  • Total Patents
    11
About

OPTASOUND CORP has a total of 11 patent applications. Its first patent ever was published in 1970. It filed its patents most often in United States, United Kingdom and Australia. Its main competitors in its focus markets optics are TAKAGI MUTSUMI, CHIYODA KOGAKU SEIKO KABUSHIKI and ADVANCED IMAGE SYSTEMS INC.

Patent filings in countries

World map showing OPTASOUND CORPs patent filings in countries
# Country Total Patents
#1 United States 4
#2 United Kingdom 2
#3 Australia 1
#4 Germany 1
#5 France 1
#6 Israel 1
#7 South Africa 1

Patent filings per year

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

Focus industries

# Industry
#1 Optics

Focus technologies

# Technology
#1 Cameras

Top inventors

# Name Total Patents
#1 Lawson P 3
#2 Castagna John Frank 2
#3 Castagna J 2
#4 Lawson Peter V O 1

Latest patents

Publication Filing date Title
US3922075A Synchronizing system for recording visual images and sound
US3800562A Brake system for battery operated recorder
GB1361808A Synchronizing system for recording visual images and sound
US3801191A Tape and film editing means
US3773408A Tape and film synchronizing apparatus