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JOHAN STEENBERGEN

Overview
  • Total Patents
    11
About

JOHAN STEENBERGEN has a total of 11 patent applications. Its first patent ever was published in 1920. It filed its patents most often in United Kingdom and France. Its main competitors in its focus markets optics are IHAGEE KAMERAWERK AG, COLORITA FARBEN PHOTO GES M B and BRONICA CO LTD.

Patent filings in countries

World map showing JOHAN STEENBERGENs patent filings in countries
# Country Total Patents
#1 United Kingdom 10
#2 France 1

Patent filings per year

Chart showing JOHAN STEENBERGENs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Optics

Focus technologies

# Technology
#1 Cameras

Top inventors

# Name Total Patents
#1 Steenbergen Johan 1

Latest patents

Publication Filing date Title
GB524649A Improvements in and relating to photographic roll-film cameras
GB523556A Improvements in or relating to photographic enlarging apparatus
GB507314A Improvements in or relating to photographic cameras
GB500866A Improvements in or relating to lens mounts for photographic cameras
GB500626A Improvements in or relating to photographic cameras
GB500791A Improvements in or relating to photographic cameras
GB462764A Improvements in or relating to photographic flashlight camera apparatus
GB414465A Improvements in or relating to roll-film reflex photographic cameras
GB410306A Improvements in or relating to shutters for photographic cameras
GB180350A Mirror reflex camera