Inventor · San Jose, CA, US

Nathan A. Carr

100Patents
12h-index
96Co-inventors
89Inventor score

Filing activity: Dec 2, 2003 → Jun 16, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7050068B1 Generation of jittered sub-pixel samples using programmable sub-pixel offsets Physics 72 Expired
US8253730B1 System and method for construction of data structures for ray tracing using bounding hierarchies Physics 53 Active
US8379025B1 Methods and apparatus for rendering vector art on graphics hardware Physics 34 Active
US10665011B1 Dynamically estimating lighting parameters for positions within augmented-reality scenes based on global and local features Physics 21 Active
US8269770B1 Tessellation of trimmed parametric surfaces by walking the surface Physics 16 Active
US8223148B1 Method and apparatus for computing indirect lighting for global illumination rendering in 3-D computer graphics Physics 15 Active
US8259110B1 Method and apparatus for computing direct lighting for global illumination rendering in 3-D computer graphics Physics 15 Active
US8379021B1 System and methods for rendering height-field images with hard and soft shadows Physics 14 Active
US7889923B1 System and method for sparse histogram merging Physics 14 Active
US7403208B1 Generation of jittered sub-pixel samples using programmable sub-pixel offsets Physics 14 Expired
US8994736B2 Methods and apparatus for freeform deformation of 3-D models Physics 13 Active
US10198846B2 Digital Image Animation Physics 12 Active
US9299188B2 Automatic geometry and lighting inference for realistic image editing Physics 12 Active
US10692277B1 Dynamically estimating lighting parameters for positions within augmented-reality scenes using a neural network Physics 10 Active
US8400447B1 Space partitioning trees using planes selected from a discrete set of orientations Physics 9 Active
US8379018B2 Method and apparatus for surface inflation using surface normal constraints Physics 7 Active
US8773431B2 Methods and apparatus for generating an N-sided patch by sketching on a three-dimensional reference surface Physics 7 Active
US9723204B2 Dynamic motion path blur kernel Electricity 6 Active
US7973803B1 Simultaneous occluding transparency graphics processing Physics 6 Active
US7675524B1 Image processing using enclosed block convolution Physics 6 Active
US8339413B2 Multiplied occluding transparency graphics processing Physics 6 Active
US9613454B2 Automatic geometry and lighting inference for realistic image editing Physics 5 Active
US8334868B2 Method and apparatus for surface inflation using mean curvature constraints Physics 4 Active
USD994833S1 Fluid tank General 4 Active
US8659599B2 System and method for generating a manifold surface for a 3D model of an object using 3D curves of the object Physics 4 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.