Inventor
NGUYEN HOP D
US24 patents
⚠️ This page may combine multiple inventors who share the name “NGUYEN HOP D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
3D SYSTEMS INC
20 patentsUS6048487AApr 11, 2000
Recoating stereolithographic layers
3D SYSTEMS INC100 citations99
US5651934AJul 29, 1997
Recoating of stereolithographic layers
3D SYSTEMS INC148 citations99
US5345391ASep 6, 1994
Method and apparatus for production of high resolution three-dimensional objects by stereolithography
3D SYSTEMS INC164 citations98
US5184307AFeb 2, 1993
Method and apparatus for production of high resolution three-dimensional objects by stereolithography
3D SYSTEMS INC220 citations98
US6399010B1Jun 4, 2002
Method and apparatus for stereolithographically forming three dimensional objects with reduced distortion
3D SYSTEMS INC105 citations97
US6406658B1Jun 18, 2002
Stereolithographic method and apparatus for production of three dimensional objects using multiple beams of different diameters
3D SYSTEMS INC82 citations96
US6084980AJul 4, 2000
Method of and apparatus for deriving data intermediate to cross-sectional data descriptive of a three-dimensional object
3D SYSTEMS INC81 citations96
US5855718AJan 5, 1999
Method of and apparatus for making partially solidified three-dimensional objects on a layer-by-layer basis from a solidifiable medium
3D SYSTEMS INC58 citations96
US5688464ANov 18, 1997
Vibrationally enhanced stereolithographic recoating
3D SYSTEMS INC112 citations96
US5143663ASep 1, 1992
Stereolithography method and apparatus
3D SYSTEMS INC293 citations96
US6600965B1Jul 29, 2003
Method and apparatus for production of high resolution three-dimensional objects by stereolithography
3D SYSTEMS INC64 citations95
US5870307AFeb 9, 1999
Method and apparatus for production of high resolution three-dimensional objects by stereolithography
3D SYSTEMS INC85 citations95
US5693144ADec 2, 1997
Vibrationally enhanced stereolithographic recoating
3D SYSTEMS INC81 citations95
US5209878AMay 11, 1993
Surface resolution in three-dimensional objects by inclusion of thin fill layers
3D SYSTEMS INC151 citations95
US5902538AMay 11, 1999
Simplified stereolithographic object formation methods of overcoming minimum recoating depth limitations
3D SYSTEMS INC72 citations94
US6261506B1Jul 17, 2001
Method of making a three-dimensional object
3D SYSTEMS INC41 citations92
US6103176AAug 15, 2000
Stereolithographic method and apparatus for production of three dimensional objects using recoating parameters for groups of layers
3D SYSTEMS INC37 citations92
US6261507B1Jul 17, 2001
Method of and apparatus for making a three-dimensional object by stereolithography
3D SYSTEMS INC27 citations91
US6179601B1Jan 30, 2001
Simplified stereolithographic object formation methods of overcoming minimum recoating depth limitations
3D SYSTEMS INC42 citations91
US6699424B2Mar 2, 2004
Method for forming three-dimensional objects
3D SYSTEMS INC13 citations84