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TRUECOLOR STATIONERY CO LTD

Overview
  • Total Patents
    39
  • GoodIP Patent Rank
    78,257
  • Filing trend
    ⇧ 100.0%
About

TRUECOLOR STATIONERY CO LTD has a total of 39 patent applications. It increased the IP activity by 100.0%. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets basic materials chemistry, macromolecular chemistry and polymers and consumer goods are SUHAN CORP, CAO XING and SUNJOYPAI SHANGHAI TECH CO LTD.

Patent filings in countries

World map showing TRUECOLOR STATIONERY CO LTDs patent filings in countries
# Country Total Patents
#1 China 39

Patent filings per year

Chart showing TRUECOLOR STATIONERY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Huang Xiaoxi 35
#2 Yang Chongchang 14
#3 Wu Yingji 13
#4 Lu Xianming 12
#5 Zhou Wei 12
#6 Zeng Qingmu 11
#7 Zeng Zhaoneng 11
#8 Zhang Duanzhou 11
#9 Wang Li 7
#10 Jiang Zhenlin 5

Latest patents

Publication Filing date Title
CN110553943A Device for testing cutting force of ball-point pen head material
CN109627853A Reversible thermochromic color pencil lead and preparation method thereof and pencil
CN109649044A Convenient for the structure of unloading pen cap
CN108841250A Environment-friendly type fluorescence temperature sensing color changing water-based ink mill base and preparation method thereof
CN108656789A It squeezes out core type solid and draws stick
CN108312735A Pen with capillary ceramics ball
CN107325645A Colour rod containing nano dye and preparation method thereof
CN107189525A Artistic oil painting stick containing nano dye and preparation method thereof
CN106398364A Oil painting stick and preparation method thereof
CN106318041A Resin crayon capable of being used as screw rod and preparation method thereof
CN106317994A Artistic oil painting stick core and preparation method thereof
CN106004165A Rotary resin crayon
CN104861101A Water-soluble dispersing agent for gel ink and preparation method of water-soluble dispersing agent
CN104845448A Thermosensitive color change gel ink paste with aging-resistant function and preparation method thereof
CN104845453A High-concentration neutral ink color paste and preparation method thereof
CN104974598A Erasable neutral ink and preparation method thereof
CN104893425A Microcapsule temperature sensitive erasable neutral ink and preparation method thereof
CN104893422A Erasable neutral ink and manufacturing method thereof
CN104877459A Water-soluble emulsification and moisture retention lubricant for neutral ink, and preparation method thereof
CN104877455A A low-viscosity antibacterial gel-ink thickening agent and a preparing method thereof