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QINHUANGDAO JINGHE SCIENCE AND TECH RESEARCH INSTITUTE CO LTD

Overview
  • Total Patents
    16
  • GoodIP Patent Rank
    103,345
  • Filing trend
    ⇧ 200.0%
About

QINHUANGDAO JINGHE SCIENCE AND TECH RESEARCH INSTITUTE CO LTD has a total of 16 patent applications. It increased the IP activity by 200.0%. Its first patent ever was published in 2017. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets semiconductors are JIJIA SCIENCE & TECHNOLOGY CO, SUZHOU NENGWU ELECTRONIC TECH CO LTD and NICHIDEN SEIMITSU KOGYO KK.

Patent filings in countries

World map showing QINHUANGDAO JINGHE SCIENCE AND TECH RESEARCH INSTITUTE CO LTDs patent filings in countries

Patent filings per year

Chart showing QINHUANGDAO JINGHE SCIENCE AND TECH RESEARCH INSTITUTE CO LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Semiconductors

Focus technologies

# Technology
#1 Semiconductor devices

Top inventors

# Name Total Patents
#1 Jia Renxu 16
#2 Shao Jinwen 16
#3 Yuan Lei 16
#4 Hou Tongxiao 16
#5 Sun Zhixiang 12
#6 Liu Xuesong 12
#7 Zhang Qiujie 12
#8 Tang Xiaoyan 4
#9 Zhang Jia 2

Latest patents

Publication Filing date Title
CN109243973A A kind of method of etching silicon carbide
CN109411546A SiC groove MOS device and preparation method thereof
CN109309127A A kind of silicon carbide MOSFET device and preparation method thereof
CN109411343A A kind of SiC MOSFET gate oxide method for annealing
CN109461648A A kind of silicon carbide device manufacturing method
CN109461768A A kind of SiC junction barrel Schottky diode and its manufacturing method
CN109411342A A kind of silicon carbide groove etching method
CN109461646A A kind of SiC MOSFET gate oxide method for annealing
CN109449085A A kind of 4H-SiC Schottky diode and preparation method thereof that Surge handling capability is enhanced
CN109461654A A kind of SiC Schottky diode and preparation method thereof of no injection type termination end structure
CN108321213A The preparation method and its structure of SiC power diode devices
CN108321080A The preparation method and its structure of the SiC MOSFET elements of high reliability
CN108257856A The preparation method and its structure of the SiC MOSFET power devices of high temperature resistant low-power consumption
CN108321212A The preparation method and its structure of SiC Schottky diode