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JIAN DU

Overview
  • Total Patents
    26
About

JIAN DU has a total of 26 patent applications. Its first patent ever was published in 1987. It filed its patents most often in China and United States. Its main competitors in its focus markets furniture and games and semiconductors are BROWN ANDREW J, SUZUKI TAKAHITO and CHEN YUNG-HSIANG.

Patent filings in countries

World map showing JIAN DUs patent filings in countries
# Country Total Patents
#1 China 24
#2 United States 2

Patent filings per year

Chart showing JIAN DUs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Jian Du 20
#2 Du Jian 6
#3 Zhiyun Cao 1
#4 Jiajia Li 1
#5 Shuguang Du 1
#6 Hao Fang 1
#7 Zhifeng Zhao 1
#8 Liwu Chen 1
#9 Jing Cai 1
#10 Xuzheng Chen 1

Latest patents

Publication Filing date Title
CN102109955A Digital touch screen and Chinese character board Chinese character generation input method
CN102198043A Healthcare massage sock
CN102198042A Self-massage glove
CN101791343A Traditional Chinese medicine for treating tumor of digestive tract, strengthening body resistance and removing summer-heat
CN101931312A Generator for generating power by utilizing principle of natural disappearance of magnetic field
CN101353085A Power wing
CN101226431A A kind of Chinese character input method
CN1961758A Method for preparing white fungus beverage
CN1847616A Tail ore stock area structure with sewage percolation and resource regeneration
CN1767348A Static-type generator for power generation using magnetic field natural disappearance principle
CN1747286A Internal-neutralized static generator with reacting force
CN1858978A Gravity generator
CN1815862A Super-frequency up-and-down-fluctuation type electomagnetic gravity generator
CN1129143A Table tennis bat
CN1112028A Ping-pong bat
CN1094648A Bat for table tennis
CN1098657A Omnibearing table tennis bat
CN1097640A Ping-pong bat
CN1094324A Straight racket for ping-pong ball
CN1060725A Chinese phonetic alphabet and character components code input method