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BEIJING TONGMEI XTAL TECH CO LTD

Overview
  • Total Patents
    19
  • GoodIP Patent Rank
    113,216
  • Filing trend
    ⇧ 166.0%
About

BEIJING TONGMEI XTAL TECH CO LTD has a total of 19 patent applications. It increased the IP activity by 166.0%. Its first patent ever was published in 2011. It filed its patents most often in China, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets semiconductors, surface technology and coating and machine tools are LG SILTRON INC, SILTRONIC AG and SILTRON INC.

Patent filings in countries

World map showing BEIJING TONGMEI XTAL TECH CO LTDs patent filings in countries

Patent filings per year

Chart showing BEIJING TONGMEI XTAL TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Yuanli 10
#2 Chu Sung-Nee George 9
#3 Li Haimiao 7
#4 Wang Liugang 7
#5 Zhu Songyi 5
#6 Liu Weiguo 5
#7 Zhou Yvonne 4
#8 Shetty Rajaram 4
#9 Liu Vincent Wensen 3
#10 Ren Diansheng 2

Latest patents

Publication Filing date Title
CN110202419A Single germanium wafer, its preparation method, the purposes of the preparation method of crystal bar and single-chip
CN111379027A Gallium arsenide wafer and preparation method thereof
CN108091708A Single germanium wafer, its preparation method, the purposes of the preparation method of crystal bar and single-chip
CN109290875A The dimpled inp wafer in the back side, preparation method and the corrosive liquid for preparing it
CN109290874A There are inp wafer, preparation method and the corrosive liquid used of olive shape pit in the back side
CN107452664A The method and device of mucous membrane is removed from chip
EP2629319A1 Process for cleaning compound semiconductor wafer