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WANG CHANGZHENG

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    174,704
  • Filing trend
    ⇩ 60.0%
About

WANG CHANGZHENG has a total of 13 patent applications. It decreased the IP activity by 60.0%. Its first patent ever was published in 1990. It filed its patents most often in China. Its main competitors in its focus markets pharmaceuticals, medical technology and foods and drinks are SHANGHAI ZHAOXIANG BIOTECHNOLOGY CO LTD, HAJDUSAGI AGRARIPARI EGYESULES and CHEN PENGJU.

Patent filings in countries

World map showing WANG CHANGZHENGs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing WANG CHANGZHENGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Changzheng 12
#2 Wang Xiyi 1
#3 Guo Dong 1
#4 Sun Yulei 1
#5 Changzheng Wang 1
#6 Li Dandan 1

Latest patents

Publication Filing date Title
CN108381453A Device for installing expansion thread
CN108617201A Small corn planter
CN107441186A A kind of Chinese medicine composition for treating the protrasion of the lumbar intervertebral disci
CN107319209A A kind of processing method of carp feed
CN107259910A Cervical vertebra treatment pillow
CN107468846A A kind of Chinese medicine composition for treating insomnia
CN107374807A Monoblock type suspends fupport arm in midair
CN105768430A Simple anti-falling storage tank
CN104720233A Coin reservoir
CN104425106A Transformer protective cover with detachable side protective plates
CN1502796A Piston type cyclotomic internal combustion engine
CN1206789A Contact-point explosion type internal combustion engine
CN1059545A The manufacture method of lasting fragrant ink and fragrant ink