Kai-Jen Ko has been granted 5 US patents while listed as an inventor at United Microelectronics . The first was granted in 2002 and the most recent in June 2009. Kai-Jen Ko ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Kai-Jen Ko in Baoshan, TW.
Patents per Year Patents granted per year, 2002 to 2009 Bar chart with a peak of 1 patents in 2002. peak 1 2002: 1 patents 2002 2003: 1 patents 2003 2006: 1 patents 2006 2008: 1 patents 2008 2009: 1 patents 2009
Issued Patents All Time
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Showing 1–5 of 5 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
7550130 Method for producing vapor-grown carbon fibers having 3-D linkage structure Chun-Shan Wang , Ya-Jen Huang , Yen-Chu Tan , Shih-Peng Yang 2009-06-23
7374731 Reaction apparatus for producing vapor-grown carbon fibers and continuous production system thereof Chun-Shan Wang , Ya-Jen Huang , Yen-Chu Tan , Shih-Peng Yang 2008-05-20
7089137 Universal test platform and test method for latch-up Jie Wang , An-Ru Cheng 2006-08-08
6638841 Method for reducing gate length bias Yuan-Li Tsai , Ming H. Wu , Steven Huang , Ching-Chun Hwang 2003-10-28
$1,442,000
6440818 Method of reducing leakage current of a semiconductor wafer Yuan-Li Tsai , Kuo-Hua Ho , Cheng-Hui Chung 2002-08-27
$775,000