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TSENG WEI-JEN

Overview
  • Total Patents
    25
About

TSENG WEI-JEN has a total of 25 patent applications. Its first patent ever was published in 2004. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets electrical machinery and energy, machines and semiconductors are PALAIOHORINOS IOANNIS, SCOLMORE INT LTD and HUANG SHUN-FENG.

Patent filings in countries

World map showing TSENG WEI-JENs patent filings in countries
# Country Total Patents
#1 United States 14
#2 Canada 10
#3 United Kingdom 1

Patent filings per year

Chart showing TSENG WEI-JENs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tseng Wei-Jen 25

Latest patents

Publication Filing date Title
CA2817744A1 Christmas light apparatus and lamp base thereof
CA2779588A1 Waterproof fairy light
US2013322087A1 Waterproof fairy light
CA2639033A1 Led illuminator
US7568956B1 Led illuminator
US2009318027A1 Light-emitting diode and a fairy light with the light-emitting diode
CA2635339A1 Light-emitting diode and a fairy light with the light-emitting diode
US7568951B1 Socket for fairy light
CA2623604A1 Socket for fairy light
GB0801571D0 Fairy light
CA2593065A1 Decorative light
US7422489B1 Decorative light
US2008080183A1 String of light with matched light bulbs and sockets
US2008009165A1 Connection assembly for a light string having a primary wire and secondary wires electrically connected to the primary wire and each secondary wire having light bulbs thereon
US2007109815A1 Decorative light
CA2508168A1 Connector for connecting light strings
US2006258222A1 Connector for connecting light strings
US2006221645A1 Attachment for a light string
CA2502907A1 Attachment for a light string
US7025490B1 Error-proof mounting assembly for twinkle light set to prevent mounting of a light bulb holder into an incorrect socket