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LIU ZHIWEN

Overview
  • Total Patents
    26
  • GoodIP Patent Rank
    118,090
About

LIU ZHIWEN has a total of 26 patent applications. Its first patent ever was published in 1990. It filed its patents most often in China and United States. Its main competitors in its focus markets machine tools, optics and measurement are FAN YANG, CHEN CHAOPING and KAWASHIMA YOSHIAKI.

Patent filings in countries

World map showing LIU ZHIWENs patent filings in countries
# Country Total Patents
#1 China 23
#2 United States 3

Patent filings per year

Chart showing LIU ZHIWENs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Zhiwen 24
#2 Gong Dingjun 6
#3 Shi Kebin 3
#4 Xu Haifen 3
#5 Yang Chuan 2
#6 Wang Haiyan 2
#7 Ma Junmin 1
#8 Edwards Perry 1
#9 Li Jianrong 1
#10 Xue Zhenhai 1

Latest patents

Publication Filing date Title
CN111575621A Cooling processing technology after copper clad steel wire forming
CN111593282A Copper clad steel wire forming post-processing equipment
CN111570668A Straightening processing technology for spiral steel
CN111570669A Orthopedic repair system of spiral steel
CN111421194A Automatic tapping machine for manufacturing and processing movable joint of metal pipe fitting
CN111545844A Tapping process for movable joint of metal pipe fitting
CN111166818A Traditional Chinese medicine formula for treating diabetes and preparation method thereof
CN109717773A Build stacked wooden barrel and its processing technology
CN104996979A Litsea cubeba spicy and hot sauce and production method thereof
CN104957283A Pungent litse fruit spicy hot oil and production method thereof
CN104996956A A Litsea cubeba condiment and a production method thereof
CN104996926A Litsea cubeba fermented soya bean and manufacturing method thereof
CN104944742A Preparation method for equivalently blown glass pickle jar by rotary glass bulb-blowing machine
CN104920818A Antheraea pernyi artificial feed
US2014146159A1 Z-microscopy
CN103431351A Sour soup vegetarian hotpot condiment and preparation method thereof
CN102857238A LDPC (Low Density Parity Check) encoder and encoding method based on summation array in deep space communication
CN102843148A QC-LDPC (Quasi-Cyclic Low-Density Parity-Check) serial encoder and encoding method based on lookup table
CN102949659A Traditional Chinese medicine composition for treating hepatitis B
CN102860662A Portable picnic table