Daniel L. Ostapko has been granted 10 US patents while listed as an inventor at IBM . The first was granted in 1985 and the most recent in January 2011. Daniel L. Ostapko ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Daniel L. Ostapko in Yorktown Heights, NY, US.
Patents per Year Patents granted per year, 1985 to 2011 Bar chart with a peak of 2 patents in 2002. peak 2 1985: 1 patents 1985 1999: 1 patents 1999 2000: 1 patents 2000 2002: 2 patents 2002 2006: 1 patents 2006 2007: 2 patents 2007 2008: 1 patents 2008 2011: 1 patents 2011
Issued Patents All Time
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Showing 1–10 of 10 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
7870531 System for using partitioned masks to build a chip Subhrajit Bhattacharya , John Darringer 2011-01-11
$2,856,000
7469401 Method for using partitioned masks to build a chip Subhrajit Bhattacharya , John Darringer 2008-12-23
$10,467,000
7302671 Integrated circuit logic with self compensating shapes Fook-Luen Heng , Jin-Fuw Lee 2007-11-27
$7,635,000
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
$7,316,000
7084476 Integrated circuit logic with self compensating block delays Puneet Gupta , Fook-Luen Heng , David S. Kung 2006-08-01
$2,070,000
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
$5,918,000
6383847 Partitioned mask layout Gary S. Ditlow , Fook-Luen Heng , Mark A. Lavin , Jung Hyuk YOON 2002-05-07
$13,479,000
6144224 Clock distribution network with dual wire routing Jin-Fuw Lee 2000-11-07
$39,779,000
5994924 Clock distribution network with dual wire routing Jin-Fuw Lee 1999-11-30
$27,589,000
4559611 Mapping and memory hardware for writing horizontal and vertical lines — 1985-12-17
$34,506,000
