Learn more

CHENG YI-JEN

Overview
  • Total Patents
    14
About

CHENG YI-JEN has a total of 14 patent applications. Its first patent ever was published in 2003. It filed its patents most often in United States. Its main competitors in its focus markets audio-visual technology, optics and control are POWERTECH ELECTRONICS, GEOVISION INC and WATCH INC E.

Patent filings in countries

World map showing CHENG YI-JENs patent filings in countries
# Country Total Patents
#1 United States 14

Patent filings per year

Chart showing CHENG YI-JENs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Cheng Yi-Jen 14

Latest patents

Publication Filing date Title
US2011090335A1 Surveillance camera capable of recording color or monochrome images based on time settings
US2010013922A1 Surveillance camera
US2010002370A1 Digital video recorder with an ejector frame assembly
US2009309968A1 Accessorizable security camera
US2009315994A1 Security camera with magnetic adjustor
US2009196593A1 Adjustable surveillance camera
US2009034212A1 Digital video recorder with a fast-detaching hard disk assembly
US2007274706A1 Image adjusting assembly for a monitoring camera
US2007109441A1 Defogging device for a surveillance camera
US2006176391A1 Digital video recorder
US2006109374A1 Monitoring video camera
US2006077285A1 Monitoring camera with a shade
US2006045499A1 Weather-resistant monitoring camera
US7221402B2 Monitoring camera