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YIFENG CHEN

Overview
  • Total Patents
    14
About

YIFENG CHEN has a total of 14 patent applications. Its first patent ever was published in 2005. It filed its patents most often in China. Its main competitors in its focus markets environmental technology and machines are GUANGWU WANG, KUNSHAN ZHOUSHI LITHIUM BROMIDE SOLUTION PLANT and XIA YONGFENG.

Patent filings in countries

World map showing YIFENG CHENs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing YIFENG CHENs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Yifeng Chen 14
#2 Qin Zhu 4
#3 Xin Ge 2
#4 Yuanji Chen 2
#5 Bojin Chen 2
#6 Yimin Chen 2
#7 Jianfen Gong 1
#8 Wenhao Ding 1
#9 Yi Zhou 1
#10 Xiaomin Chu 1

Latest patents

Publication Filing date Title
CN102696919A Special feed for loach and preparation method of same
CN102252037A Clutch device
CN102255423A Miniaturized permanent magnet direct current speed-reducing motor
CN101731453A Method for preparing bioactive protein powder through endogenous enzymolysis of marine low-value coarse fish
CN101791060A Production process for soft feed suitable for growing period of crustaceans
CN101653950A Binding line thin-book longitudinally cutting device
CN101607616A High temperature resistance film for blister package of medical equipment and preparation method thereof
CN101476641A Valve body and tap connection structure of kitchen tap
CN101455280A Production technique of soft feedstuff suitable for crustacean in mature and Zhuanghuang stage
CN101341924A Method for preparing biological active small peptide with endogenesis enzyme
CN101295990A Mobile communication receiving device
CN101147530A Preparation technology of feed additive biologically active small peptide
CN1669775A Co-extrusion mould head for packaging bag production
CN1663775A Multilayer co-extrusion transfusion film and manufacturing method thereof