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ZHANG JIWEN

Overview
  • Total Patents
    18
  • GoodIP Patent Rank
    171,204
About

ZHANG JIWEN has a total of 18 patent applications. Its first patent ever was published in 1996. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets environmental technology, civil engineering and semiconductors are JUNG JAE HEUN, JIANG CHENHAO and HEFEI SIZHOU BUILDING DECORATION CO LTD.

Patent filings in countries

World map showing ZHANG JIWENs patent filings in countries

Patent filings per year

Chart showing ZHANG JIWENs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Jiwen 18
#2 Zhang Xinyun 3
#3 Wu Changzheng 1
#4 Tu Jumin 1
#5 Wu Xiaozhi 1

Latest patents

Publication Filing date Title
CN110187778A A kind of differentiation Chinese Pinyin syllables scheme
CN108533162A One kind freely up and down opening and closing roller shutter
CN107774111A One smoke-gas wet desulfurization denitrification dedusting zero-emission new technology
CN105959856A Earphones
CN106958413A It is a kind of to open the roller shutter of arbitrary size at an arbitrary position
CN106193975A A kind of Novel rolling screen
CN105737238A Carbon fiber heating plate electrical heater
WO2015018234A1 Top-open roller blind
CN104234608A Top-opening roller shutter
WO2007124655A1 A light-heat gathering solar plate device
WO2007124654A1 A light-heat gathering solar energy device
CN1664101A Method for culturing chemical emasculation and seedless fruit plant
CN1364641A Anti-drunk-enness and sobering up composition and its preparing method
CN1429478A Production technology of hybridized rice seed
CN1318288A Decontaminating and purity maintaining technology for three-line hybrid rice
CN1178628A Feeding block seedlings raising technology for cotton