JC

Jen-Yuan Chang

TSMC: 82 patents #358 of 12,232Top 3%
HG HGST: 8 patents #217 of 1,677Top 15%
NU National Tsing Hua University: 7 patents #64 of 2,036Top 4%
IT Inventec (Pudong) Technology: 2 patents #136 of 568Top 25%
IN Inventec: 2 patents #293 of 1,270Top 25%
IT ITRI: 2 patents #3,461 of 9,619Top 40%
HB Hgst Netherlands, B.V.: 2 patents #341 of 972Top 40%
HM Hiwin Mikrosystem: 1 patents #67 of 146Top 50%
📍 Hsinchu, CA: #30 of 400 inventorsTop 8%
Overall (All Time): #13,328 of 4,157,543Top 1%
104
Patents All Time

Issued Patents All Time

Showing 101–104 of 104 patents

Patent #TitleCo-InventorsDate
7345842 Method and system for optimized servo track writing motor current profile to reduce written-in high-frequency repeatable runout track mis-registration Christopher A. Gimenez, Robert P. Harshberger, Jr., Jr-Yi Shen 2008-03-18
7133244 Method and system for optimizing servo track writing motor current profile to reduce written-in high-frequency repeatable runout track mis-registration Christopher A. Gimenez, Robert P. Harshberger, Jr., Jr-Yi Shen 2006-11-07
6992853 Method and apparatus for determining modulated, amplitude ramping RRO harmonics in multi-screw clamped HDD disk/spind assembly 2006-01-31
6937424 Repeatable runout (RRO) compensation methods and apparatus for data storage devices Jay F. Raley 2005-08-30