Learn more

YAN HAN

Overview
  • Total Patents
    75
  • GoodIP Patent Rank
    153,143
  • Filing trend
    ⇧ 100.0%
About

YAN HAN has a total of 75 patent applications. It increased the IP activity by 100.0%. Its first patent ever was published in 1998. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, materials and metallurgy and environmental technology are JIN MEI, JIANG SHOUCHUN and SHINWA KIKAI CO LTD.

Patent filings in countries

World map showing YAN HANs patent filings in countries
# Country Total Patents
#1 China 75

Patent filings per year

Chart showing YAN HANs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yan Han 75
#2 Guangzhong Han 6
#3 Lin Liyun 2
#4 Zhang Wenming 1
#5 Yan Ming 1

Latest patents

Publication Filing date Title
CN108835485A A kind of composite nutritious beverage and preparation method thereof
CN108301438A The underground construction of intelligent type energy saving environmental protection and saving land used
CN107780502A Eliminate the closestool of stink
CN106760905A Environmental protection reduces the funeral building of land used
CN105314935A Energy-saving and environment-friendly sound insulation and heat preservation method for building inner wall
CN106583090A Portable sprayer
CN104975543A Vibration-free train rail
CN104972987A Anti-fake motor vehicle license plate prevented from being cloned
CN104376183A Computation method for gas gliding flow in micro-fluid device in complex geometrical boundary
CN104197446A Dynamic double-cold-source pre-cooling energy-saving air conditioning system
CN103982960A Air conditioner for data center
CN104027194A Double-protection, self-service and sterilizable contraceptive device with sexual pleasure
CN103465838A Anti-fake, anti-theft, anti-fake-license and novel motor vehicle license plate
CN103315354A Lycopene beverage
CN102684802A Road condition information processing method and road condition information processing system
CN102685663A Taxi electric-convening system and method thereof
CN102651741A Method of telephone authentication terminal and system thereof
CN102651688A Telephone authentication terminal equipment
CN101901196A Portable safe storage device and method
CN101887822A Relay small-voltage control device and method