Learn more

DUAN ZHIHUI

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    193,271
  • Filing trend
    ⇧ 100.0%
About

DUAN ZHIHUI has a total of 11 patent applications. It increased the IP activity by 100.0%. Its first patent ever was published in 2004. It filed its patents most often in China and United States. Its main competitors in its focus markets transport, environmental technology and machines are IVD PROF HOHENBERG GMBH, BELLOSO GREGORIO M and ZERBATO THIERRY.

Patent filings in countries

World map showing DUAN ZHIHUIs patent filings in countries
# Country Total Patents
#1 China 6
#2 United States 5

Patent filings per year

Chart showing DUAN ZHIHUIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Duan Zhihui 10
#2 Zhang Lingling 3
#3 Duan Zhihui Zhang 1
#4 Yamanouchi Masayoshi 1
#5 Hayakawa Hiroshi 1
#6 Zhang Ling Ling 1
#7 Tanaka Yo 1
#8 Noborio Kazunori 1

Latest patents

Publication Filing date Title
CN110525191A Hybrid power system and its control method for vehicle
CN110509760A Hybrid vehicle power-driven system
CN108501684A A kind of automobile oil electricity hybrid power gearbox
US2019225069A1 Hybrid electric drive train of a motor vehicle
CN106864247A For the hybrid power system of vehicle
US2009071733A1 Hybrid electric vehicle
CN1794269A Digital antiforge system for recording retailing time
CN1757533A Epicyclie gearing type electro-mechanical driving mechanism for electro-mechanical drivnig system of automobile
US7066854B2 Hybrid electric vehicle