Kwok Tang has been granted 9 US patents while listed as an inventor at Google . The first was granted in 1993 and the most recent in September 2008. Kwok Tang ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Kwok Tang in Tsuen Wan, ON, CN.
Patents per Year Patents granted per year, 1993 to 2008 Bar chart with a peak of 2 patents in 2001. peak 2 1993: 1 patents 1993 1995: 1 patents 1995 2001: 2 patents 2001 2003: 2 patents 2003 2005: 1 patents 2005 2006: 1 patents 2006 2008: 1 patents 2008
Issued Patents All Time
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Showing 1–9 of 9 patents
Patent # Title Co-Inventors Date
7419519 Engineered non-polymeric organic particles for chemical mechanical planarization Yuzhuo Li , Wu Li , Guomin Bian , Krishnayya Cheemalapati , Vivek Duvvuru +2 more 2008-09-02
7037351 Non-polymeric organic particles for chemical mechanical planarization Yuzhuo Li , Atanu Roy Chowdhury , Guomin Bian , Krishnayya Cheemalapati 2006-05-02
6881814 Borate modified phenolic resin for insulation material Ruben Santos , Bohumila Zapletal 2005-04-19
6620215 Abrasive composition containing organic particles for chemical mechanical planarization Yuzhuo Li , Guomin Bian , Joe Zunzi Zhao , John Westbrook , Yong Lin +1 more 2003-09-16
6528582 Method of preparing co-polymer particles Guomin Bian , Leena Matilainen , Sinikka Ingelin 2003-03-04
6245853 Method of preparing co-polymer particles Guomin Bian , Leena Matilainen , Sinikka Ingelin 2001-06-12
6245882 Method for the preparation of polymers Leena Matilainen , Guomin Bian , Claude Ostiguy , Rick Cheng , Matti Satuli +1 more 2001-06-12
5447263 Tag attachment apparatus Solomon Tropper 1995-09-05
D340850 Tag attachment apparatus — 1993-11-02
