Learn more

KO CHENG HAO

Overview
  • Total Patents
    17
  • GoodIP Patent Rank
    114,113
  • Filing trend
    ⇩ 66.0%
About

KO CHENG HAO has a total of 17 patent applications. It decreased the IP activity by 66.0%. Its first patent ever was published in 2007. It filed its patents most often in United States, China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets optics, measurement and surface technology and coating are SILIOS TECHNOLOGIES, MULTICHANNEL INSTR AB and INSTRUMENTS SA.

Patent filings per year

Chart showing KO CHENG HAOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ko Cheng-Hao 14
#2 Ko Cheng Hao 3

Latest patents

Publication Filing date Title
US2019162972A1 Optical wavelength dispersion device and manufacturing method therefor
US2019162883A1 Optical wavelength dispersion
US2019162652A1 Screening Test Paper Reading System
CN110392853A Optics wave splitter device
WO2019104619A1 Screening test paper reading system
CN110383128A Optics wave splitter device and its manufacturing method
WO2018041264A1 Screening test paper, and verification system and method therefor
US2018067105A1 Test strip, inspection system and inspection method thereof
TW200839202A Optical system