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BEIJING SEVENSTAR ELECTRONICS CO LTD

Overview
  • Total Patents
    200
  • GoodIP Patent Rank
    9,053
  • Filing trend
    ⇩ 100.0%
About

BEIJING SEVENSTAR ELECTRONICS CO LTD has a total of 200 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2007. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and Taiwan. Its main competitors in its focus markets semiconductors, chemical engineering and environmental technology are TEL FSI INC, PLANAR SEMICONDUCTOR INC and XI AN WEIZHENG ELECTRONIC SCIENCE & TECHNOLOGY CO LTD.

Patent filings per year

Chart showing BEIJING SEVENSTAR ELECTRONICS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wu Yi 38
#2 Xu Dong 31
#3 Teng Yu 25
#4 Zhang Bao 14
#5 Wang Ruiting 11
#6 Li Wei 11
#7 Wang Guangming 10
#8 Gui Xiaobo 9
#9 Liu Xiaoyan 9
#10 Pei Likun 9

Latest patents

Publication Filing date Title
US2020406312A1 Ultrasonic/megasonic cleaning device
CN107895644A It is a kind of to expand the production line oozed and production method for heavy rare earth crystal boundary
TWI600479B Ultrasonic and megasonic cleaning device
CN106802170A Flow sensor, mass flow conveying measure and control device and its temperature drift suppressing method
CN106813737A Flow measurement device, its optimal response time obtaining method and test system
CN106645295A Gas leakage detection device and gas leakage position detection method
CN106774467A A kind of gas mass flow amount control system with automatic diagnostic function
CN106799381A The classification recovery line system and classified reclaiming method of quartz tube cleaner
CN106684019A Two-phase flow atomization cleaning device
CN106856161A A kind of method of use two-phase flow atomization cleaning wafer surface pollutant
CN106768113A A kind of fluid conveys measurement apparatus
CN106783538A A kind of washmarking for being applied to monolithic cleaning and particle removing method
CN106694443A Dispatching method and dispatching system for silicon wafer cleaning
CN108068012A Clamping device and crystal processing device
CN106444934A Device and method for scheduling technological control system based on state management
CN106328569A Monitoring system and detection method of working condition of semiconductor cleaning equipment
CN108018605A Seed crystal processing method and Silicon carbide crystal growth method
CN108018604A Crystal growing crucible and crystal growing furnace
CN106409728A Sealing structure and semiconductor device
CN106406388A Heat treatment device temperature control device and method based on real-time system