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CHANG WAH TECH CO LTD

Overview
  • Total Patents
    18
  • GoodIP Patent Rank
    91,569
  • Filing trend
    ⇩ 16.0%
About

CHANG WAH TECH CO LTD has a total of 18 patent applications. It decreased the IP activity by 16.0%. Its first patent ever was published in 2014. It filed its patents most often in United States and China. Its main competitors in its focus markets semiconductors are ADVANCED POWER ELECTRONICS COR, LIN WEI-CHIEH and FORMOSA MICROSEMI CO LTD.

Patent filings in countries

World map showing CHANG WAH TECH CO LTDs patent filings in countries
# Country Total Patents
#1 United States 16
#2 China 2

Patent filings per year

Chart showing CHANG WAH TECH CO LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Semiconductors

Focus technologies

# Technology
#1 Semiconductor devices

Top inventors

# Name Total Patents
#1 Huang Chia-Neng 16
#2 Huang Jianeng 2

Latest patents

Publication Filing date Title
US2021098358A1 Semiconductor package
US10607926B1 Preformed lead frame device
US2020251412A1 Preformed lead frame and lead frame package made from the same
US2020227343A1 Semiconductor device package
US2020027822A1 Leadframe and method of making the same
US2019341338A1 Preformed lead frame and lead frame package made from the same
CN110854095A Lead frame and manufacturing method thereof
US2019181305A1 Light emitting device package
US2019181074A1 Pre-molded leadframe device
US10068837B1 Universal preformed lead frame device
US2018190574A1 Preformed lead frame
US2018211903A1 Preformed lead frame and lead frame packaged structure including the same
US2018096953A1 Molded lead frame device
US2017263542A1 Preformed lead frame device and lead frame package including the same
US9799613B1 Lead frame device
CN108010899A Separate type preform packaging conductor frame and preparation method thereof
US2017194235A1 Lead frame and semiconductor package structure
US2016043019A1 Composite lead frame structure