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SUMIKA TECHNOLOGY CO LTD

Overview
  • Total Patents
    335
  • GoodIP Patent Rank
    4,723
  • Filing trend
    ⇩ 17.0%
About

SUMIKA TECHNOLOGY CO LTD has a total of 335 patent applications. It decreased the IP activity by 17.0%. Its first patent ever was published in 2011. It filed its patents most often in Taiwan, China and Republic of Korea. Its main competitors in its focus markets optics, machine tools and basic materials chemistry are SHINWHA INTERTEK CORP, IST KOREA and SKC HAAS DISPLAY FILMS LLC.

Patent filings in countries

World map showing SUMIKA TECHNOLOGY CO LTDs patent filings in countries

Patent filings per year

Chart showing SUMIKA TECHNOLOGY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nogi Naoyasu 35
#2 Yang I-Chuan 34
#3 Liang Hui-Hung 20
#4 Lan Ying-Che 18
#5 Su Meng-Peng 16
#6 Chen Chih-Tien 15
#7 Kuo Chien-Sheng 15
#8 Wu Chih-Wen 14
#9 Weng Chi-Hsiang 14
#10 Yang Ching-Ho 14

Latest patents

Publication Filing date Title
KR20210008314A Coloring resin composition, and color filter and display device using the same
CN111689290A Optical film processing equipment
CN111624804A Polarizing plate structure and manufacturing method thereof
CN111638629A Colored resin composition, optical filter formed by the same, and display device comprising the optical filter
CN111624853A Colored resin composition, and color filter and display device using same
TW202102616A Coloring resin composition, colorfilterformed therefrom, and display device using the colorfilter
TW202101381A Determination method for defect of optical film and determination system using the same
TW202101306A Training method for defect and system using same, and determent method for defect and system using same
TW202100926A Drying device and drying method for optical film
TW202041568A Polyamide and preparation method thereof
TW202041849A An optical inspection device and its optical inspection method
TW202039327A Optical-film transport box
TWI691366B Optical film processing equipment and liquid guiding device thereof
TWI676797B Optical film detecting device and optical film detecting method
TW202031579A Delivery device and delivery method
TW202031474A Manufacturing process of laminated film and laminated film made thereby
TWI692398B Device for controlling warpage and method for controlling warpage of optical film
TWI669259B Delivery device
TW202031442A Cutting mat, cutting apparatus, and cutting method for optical film
TWI695780B Optical film structure and connecting method thereof