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LI CHENGJUN

Overview
  • Total Patents
    15
  • GoodIP Patent Rank
    166,437
  • Filing trend
    ⇩ 100.0%
About

LI CHENGJUN has a total of 15 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1991. It filed its patents most often in China, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets environmental technology, civil engineering and measurement are SONG HUILI, MA KAI and ZHANG YUNXIA.

Patent filings in countries

World map showing LI CHENGJUNs patent filings in countries

Patent filings per year

Chart showing LI CHENGJUNs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Chengjun 14
#2 Lyu Yang 2
#3 Yu Xuebin 2
#4 Hao Lianyu 2
#5 Wang Liguo 2
#6 Han Peihai 2
#7 Ding Guoqing 1
#8 Wang Zhengwei 1
#9 Xiao Jianhua 1
#10 Li Xiaotong 1

Latest patents

Publication Filing date Title
CN109990417A Self-contained set type Ice Storage Tank equipment
CN109924146A A kind of cultural method of ecological fresh water fish
CN105560914A Traditional Chinese medicine for treating liver-kidney deficiency type essential tremor of elderly patients
CN105113759A Ground heating type modular floor and assembly thereof
CN105113760A Modular floor and assembly thereof
CN103892928A Head of dental handpiece
CN103816343A Traditional Chinese medicine composition for treating head ring of old people
CN103751478A Traditional Chinese medicine composition for treating micturition syncope
CN103751418A Traditional Chinese medicine composition for treating restless leg syndrome
CN102744895A Tyre repairing machine in vulcanization manner
CN102133023A Method for producing convenient chopsticks by using artemisia integrifolia
CN101033162A Nitrogen and phosphorus fertilizer slow release long-acting agent
CN1068884A Vertical high-efficiency dust-removing baker