YC

Yu-En Percy Chang

HG HGST: 3 patents #567 of 1,677Top 35%
IBM: 3 patents #26,272 of 70,183Top 40%
TSMC: 2 patents #6,667 of 12,232Top 55%
📍 Mountain View, CA: #2,615 of 11,022 inventorsTop 25%
🗺 California: #73,997 of 386,348 inventorsTop 20%
Overall (All Time): #652,994 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
8569846 MOS devices with improved source/drain regions with SiGe Chun-Chieh Lin, Wei-Hua Hsu, Chung-Li Chang, Chi-Feng Cheng, Win Hung +1 more 2013-10-29
7989901 MOS devices with improved source/drain regions with SiGe Chun-Chieh Lin, Wei-Hua Hsu, Chung-Li Chang, Chi-Feng Cheng, Win Hung +1 more 2011-08-02
7275311 Apparatus and system for precise lapping of recessed and protruding elements in a workpiece Yuri Markevitch, Mark McMaster 2007-10-02
6935013 Apparatus and method for precise lapping of recessed and protruding elements in a workpiece Yuri Markevitch, Mark McMaster 2005-08-30
6663817 Method for manufacture of sliders Yuri Markevitch, Scott Thomas 2003-12-16
6584676 Method for manufacturing a pole tip trimmed read/write head structure Thomas Young Chang, Michael Andrew Parker 2003-07-01
6428715 Method for producing sliders Daniel G. Abels, Peter Beverley Powell Phipps, Jila Tabib, Benjamin Wang 2002-08-06
6385011 Air bearing slider and manufacturing method therefor Jack Cook, Cherngye Hwang, Sanford J. Lewis 2002-05-07