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CHIEN YU-FENG

Overview
  • Total Patents
    11
About

CHIEN YU-FENG has a total of 11 patent applications. Its first patent ever was published in 2007. It filed its patents most often in United States. Its main competitors in its focus markets computer technology, optics and machines are LIN TEH-ZHENG, TRENDON TOUCH TECHNOLOGY CORP and LIU CHEN-YU.

Patent filings in countries

World map showing CHIEN YU-FENGs patent filings in countries
# Country Total Patents
#1 United States 11

Patent filings per year

Chart showing CHIEN YU-FENGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chien Yu-Feng 11
#2 Yang Tun-Chun 8
#3 Lee Seok-Lyul 7
#4 Huang Wei-Ming 5
#5 Chen Zeng-De 2
#6 Hu Chih-Jen 1
#7 Ma Mei-Sheng 1
#8 Wei Yen-Yi 1
#9 Huang Chau-Shiang 1
#10 Chen Cheng Hua 1

Latest patents

Publication Filing date Title
US2009299866A1 Detecting device for a cash drawer and a point of sales system
US2009292911A1 Boot test system and method thereof