DO

Daniel L. Ostapko

IBM: 10 patents #10,888 of 70,183Top 20%
Overall (All Time): #518,727 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7870531 System for using partitioned masks to build a chip Subhrajit Bhattacharya, John Darringer 2011-01-11
7469401 Method for using partitioned masks to build a chip Subhrajit Bhattacharya, John Darringer 2008-12-23
7302671 Integrated circuit logic with self compensating shapes Fook-Luen Heng, Jin-Fuw Lee 2007-11-27
7269817 Lithographic process window optimization under complex constraints on edge placement Fook-Luen Heng, Mark A. Lavin, Jin-Fuw Lee, Alan E. Rosenbluth, Nakgeuon Seong 2007-09-11
7084476 Integrated circuit logic with self compensating block delays Puneet Gupta, Fook-Luen Heng, David S. Kung 2006-08-01
6430731 Methods and apparatus for performing slew dependent signal bounding for signal timing analysis Jin-Fuw Lee, Jeffrey P. Soreff, Chak-Kuen Wong 2002-08-06
6383847 Partitioned mask layout Gary S. Ditlow, Fook-Luen Heng, Mark A. Lavin, Jung Hyuk YOON 2002-05-07
6144224 Clock distribution network with dual wire routing Jin-Fuw Lee 2000-11-07
5994924 Clock distribution network with dual wire routing Jin-Fuw Lee 1999-11-30
4559611 Mapping and memory hardware for writing horizontal and vertical lines 1985-12-17