DH

Delbert A. Hansen

IBM: 5 patents #18,733 of 70,183Top 30%
Overall (All Time): #1,050,730 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5912874 Calibrating an optical detector to minimize noise from undesired perturbations in disk surface Timothy S. Gardner, Ronald P. Stahl 1999-06-15
5777962 Calibrating an optical detector to minimize noise from undesired perturbations in disk surfaces Timothy S. Gardner, Ronald P. Stahl 1998-07-07
5627818 Optical disk with marks used for calibrating an optical detector to minimize noise from undesired perturbations in disk surfaces Timothy S. Gardner, Ronald P. Stahl 1997-05-06
5553054 Coarse position sensor, and method for locating same, in an optical disk drive Timothy S. Gardner, Tomoaki Kimura 1996-09-03
5367513 Focus and tracking servo decoupling system Keith A. Bates, Nhan X. Bui 1994-11-22