Learn more

JOULWATT TECH INC LTD

Overview
  • Total Patents
    269
  • GoodIP Patent Rank
    5,440
  • Filing trend
    ⇧ 121.0%
About

JOULWATT TECH INC LTD has a total of 269 patent applications. It increased the IP activity by 121.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets electrical machinery and energy, semiconductors and environmental technology are CHENGDU MONOLITHIC POWER SYS, POWER INTEGRATIONS INC and RICHTEK TECHNOLOGY CORP.

Patent filings in countries

World map showing JOULWATT TECH INC LTDs patent filings in countries
# Country Total Patents
#1 China 269

Patent filings per year

Chart showing JOULWATT TECH INC LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhou Xunwei 179
#2 Huang Biliang 113
#3 Ren Yuancheng 59
#4 Liu Guoqiang 28
#5 Han Guangtao 27
#6 Lu Yang 23
#7 Xu Aimin 18
#8 Bai Lang 17
#9 Zha Zhenxu 16
#10 Ge Weiwei 13

Latest patents

Publication Filing date Title
CN112289790A Multi-finger GGNMOS (grounded-gate bipolar transistor) device for ESD (electro-static discharge) protection circuit and manufacturing method thereof
CN112234958A Detection method and detection circuit for duty ratio of pulse signal
CN112151620A Junction field effect transistor with ESD protection structure
CN112260534A Control circuit and control method of switching circuit and switching power supply circuit
CN112151618A Manufacturing method of transverse super junction structure
CN112151599A Method for manufacturing semiconductor power device
CN112072756A Battery pack equalization circuit and equalization method
CN112151485A Packaging structure of semiconductor device and packaging method thereof
CN112147488A Chip parameter testing and calibrating method
CN112054659A Zero-voltage-conduction flyback circuit and control method and control circuit thereof
CN111969064A Parasitic LDMOS device and manufacturing method thereof
CN112054658A Control method and control circuit of switching power supply circuit and switching power supply
CN112054692A Control method and control circuit of switch circuit and switch circuit
CN112051885A Voltage regulating circuit and method
CN111987166A Method for manufacturing lateral double-diffused transistor
CN112151532A Semiconductor device for electrostatic protection
CN111917282A Power supply circuit and power supply method
CN111900866A Control circuit and control method of switching circuit and switching circuit
CN111987165A Method for manufacturing lateral double-diffused transistor
CN111987164A LDMOS device and manufacturing method thereof