Learn more

HWANG JENN JIANG

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    160,416
  • Filing trend
    ⇩ 100.0%
About

HWANG JENN JIANG has a total of 13 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2012. It filed its patents most often in Taiwan, China and United States. Its main competitors in its focus markets environmental technology and electrical machinery and energy are PORTABLE POWER CORP, HENK PETER OLAF and HUNAN MIAOSHENG AUTOMOBILE POWER SUPPLY CO LTD.

Patent filings in countries

World map showing HWANG JENN JIANGs patent filings in countries
# Country Total Patents
#1 Taiwan 9
#2 China 2
#3 United States 2

Patent filings per year

Chart showing HWANG JENN JIANGs patent filings per year from 1900 to 2020

Focus technologies

Top inventors

# Name Total Patents
#1 Hwang Jenn-Jiang 10
#2 Lin Chih-Hong 8
#3 Wang Sung-En 6
#4 Weng Wei-Hong 5
#5 Wang Sung En 3
#6 Weng Wei Hong 3
#7 Hwang Jenn Jiang 3
#8 Wu Wei 3
#9 Kuo Jenn Kun 2
#10 Lin Shih-Hung 2

Latest patents

Publication Filing date Title
TWI631750B Electrode leading detection device
TWI631761B Internal humidifying structure for fuel cell
TWI631760B Active fuel pressure regulating system
TW201843322A Method of surface modification by gas nitriding treatment
TW201843323A Method of gas nitriding surface modification with pre-oxidization pretreatment applied to pemfc
TWI613862B Bipolar plate inlet structure of fuel cell having drainage flow channel
TWI613863B Bipolar plate structure having optimized gas flow channel
TW201419643A Compact bipolar plate
TW201419644A Fuel cell stack and its partition plate