Levi D. Barnes — 6 Patents at Synopsys

Levi D. Barnes has been granted 6 US patents while listed as an inventor at Synopsys. The first was granted in 2008 and the most recent in October 2012. Levi D. Barnes ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Levi D. Barnes in Hillsboro, OR, US.

Patents per Year

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
8296688	Evaluating the quality of an assist feature placement based on a focus-sensitive cost-covariance field	Benjamin D. Painter, Qiliang Yan, Yongfa Fan, Jianliang Li, Amyn A. Poonawala	2012-10-23	$3,027,000
8010913	Model-based assist feature placement using inverse imaging approach	Amyn A. Poonawala, Benjamin D. Painter	2011-08-30	$12,692,000
7979812	Method and apparatus for correcting assist-feature-printing errors in a layout	Sunggon Jung, Xiaohai Li, Robert M. Lugg, Sooryong Lee	2011-07-12	$5,018,000
7954071	Assist feature placement based on a focus-sensitive cost-covariance field	Benjamin D. Painter, Qiliang Yan, Yongfa Fan, Jianliang Li, Amyn A. Poonawala	2011-05-31	$13,557,000
7721246	Method and apparatus for quickly determining the effect of placing an assist feature at a location in a layout	Jianliang Li, Qiliang Yan, Lawrence S. Melvin, III, Abani M. Biswas	2010-05-18	$14,999,000
7421678	Assist feature placement using a process-sensitivity model	Lawrence S. Melvin, III, Benjamin D. Painter	2008-09-02	$10,577,000

Levi D. Barnes — 6 Patents

Patents per Year

Issued Patents All Time

Patent Widget