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CHI HSIANG OPTICS CO LTD

Overview
  • Total Patents
    17
  • GoodIP Patent Rank
    101,259
  • Filing trend
    ⇧ 16.0%
About

CHI HSIANG OPTICS CO LTD has a total of 17 patent applications. It increased the IP activity by 16.0%. Its first patent ever was published in 2016. It filed its patents most often in United States, China and Taiwan. Its main competitors in its focus markets computer technology, optics and audio-visual technology are YECHENG TECH CHENGDU CO LTD, CHANGSHA YUSHUN DISPLAY TECH CO LTD and LIU CHEN-YU.

Patent filings in countries

World map showing CHI HSIANG OPTICS CO LTDs patent filings in countries
# Country Total Patents
#1 United States 9
#2 China 5
#3 Taiwan 3

Patent filings per year

Chart showing CHI HSIANG OPTICS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yao Po Hung 8
#2 Yao Po-Hung 7
#3 Chang Hsien-Ching 3
#4 Yao Bo-Hong 2
#5 Zhang Xian-Jing 2
#6 Chen Feng Chih 2
#7 Chang Hsien Ching 2
#8 Chen Feng-Chih 1
#9 Chen Feng-Zhi 1

Latest patents

Publication Filing date Title
TWI691768B Viewing angle control film and display device using the same
CN108983999A Digital pen
US2018172979A1 Optical film and user input system
US2018039337A1 Optical film and user input system
US2018046326A1 Optical film and user input system
US2017293371A1 Optical film and user input system
TW201814475A Handwriting interactive display device and handwriting interactive reading device providing a high-sensitivity and high-accuracy electronic writing function
TW201804299A Interactive display and reading system capable of providing an interactive operation function and further providing a highly sensitive and highly accurate writing function