Learn more

GUIZHOU ZHENHUA FENGGUANG SEMICONDUCTOR CO LTD

Overview
  • Total Patents
    58
  • GoodIP Patent Rank
    44,966
  • Filing trend
    0.0%
About

GUIZHOU ZHENHUA FENGGUANG SEMICONDUCTOR CO LTD has a total of 58 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets semiconductors, machine tools and measurement are KAIJO KK, DONOFRIO MATTHEW and SHINKAWA KK.

Patent filings in countries

World map showing GUIZHOU ZHENHUA FENGGUANG SEMICONDUCTOR CO LTDs patent filings in countries
# Country Total Patents
#1 China 58

Patent filings per year

Chart showing GUIZHOU ZHENHUA FENGGUANG SEMICONDUCTOR CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yang Chenggang 30
#2 Su Guidong 25
#3 Wang Decheng 10
#4 Nie Pingjian 10
#5 Zhao Xiaohui 9
#6 Liu Xuelin 8
#7 Shang Denghui 8
#8 Hu Rui 8
#9 Yin Guoping 8
#10 Chen Shuaiye 8

Latest patents

Publication Filing date Title
CN111999008A Method and device for detecting leakage of hermetically packaged integrated circuits in batches without damage
CN111999526A Suspension wire pendulum type acceleration sensor
CN111948425A Servo signal detection circuit for suspension wire pendulum type acceleration sensor
CN111192839A Method for controlling water vapor content in integrated circuit with black ceramic low-melting glass shell
CN111180318A Method for improving bonding quality in integrated circuit by using in-situ bonding technology
CN111180312A Reflow soldering cleaning method suitable for integrated circuit
CN111211070A Surface-mounted integrated circuit rib cutting machine
CN110413033A A kind of integrated circuit with Low-offset voltage based on bipolar process
CN110265364A A kind of high thermal conductivity beryllium oxide thick film substrate of high power integrated ciruit chip assembling
CN109571318A A kind of design method of homotype fixture
CN109652005A A kind of electrically conducting adhesive
CN109514018A A kind of golden tin ring seal cover process method of semiconductor devices
CN109671663A A kind of sintering method of high-power hybrid integrated circuit device
CN109686650A One kind being suitable for integrated circuit metal shell nitrogen-hydrogen mixing plasma cleaning method
CN109663998A A kind of power semiconductor chip soldering flash control method
CN109671613A One kind being suitable for substrate circuit nitrogen-hydrogen mixing plasma cleaning method
CN108092631A A kind of Curve guide impeller of operational amplifier protection circuit structure
CN108037435A The direct-connected device of ic component assembly type array
CN108037436A A kind of method of heavy current pulse test
CN108109978A For encapsulating the nano silver-group composite solder of adhesive integrated circuit die bonding