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XU CHENGJIN

Overview
  • Total Patents
    42
  • GoodIP Patent Rank
    41,974
  • Filing trend
    ⇩ 100.0%
About

XU CHENGJIN has a total of 42 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2003. It filed its patents most often in China. Its main competitors in its focus markets electrical machinery and energy, environmental technology and packaging and shipping are IOTA ENG LLC, RICHPOWER MICROELECTRONIC CORP and MANOR DROR.

Patent filings in countries

World map showing XU CHENGJINs patent filings in countries
# Country Total Patents
#1 China 42

Patent filings per year

Chart showing XU CHENGJINs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Xu Chengjin 42
#2 Zheng Shuihua 4

Latest patents

Publication Filing date Title
CN107524548A Fuel oil exciter
CN108092340A Battery charge controller
CN108092339A Constant-current charging circuit applied to linear charger
CN108092341A Control the battery charger of overcharge
CN108093547A Jamproof induction type wireless charger
CN108093538A Respiration type air generating system
CN108083041A The lithium battery charger and its charging method of more effects
CN108092338A For the method and system of minimum output voltage battery charger
CN108092343A The rechargeable type power supply of anti high overload dynamic test system
CN108092467A Two grades of constant current charge devices
CN106564816A Infrared remote controller
CN106564807A Lift control system with integrated controller
CN106564796A Gear engagement lifting device with trapezoidal cross section
CN106572582A Fluorescent lamp control system with filter circuit
CN106572564A Multifunction electronic tube
CN106564787A Non-contact elevator
CN106564805A Vertical lift control system
CN106572572A High frequency fluorescent lamp system
CN106572570A Fluorescent lamp with short circuit protection circuit
CN106564804A Arc gear engaged lifter