Inventor · disambiguated record
Hop D. Nguyen
Also filed as: NGUYEN HOP D
24 granted patents·2,430 citations·filing 1988–2001
98Inventor score
Top patents by PatentIndex Score
24 records- 0198US5651934ARecoating of stereolithographic layers3D SYSTEMS INC·Filed 1995·Granted Jul 29, 1997·148 cites·19 claims
- 0298US5184307AMethod and apparatus for production of high resolution three-dimensional objects by stereolithography3D SYSTEMS INC·Filed 1989·Granted Feb 2, 1993·220 cites·81 claims
- 0397US5345391AMethod and apparatus for production of high resolution three-dimensional objects by stereolithography3D SYSTEMS INC·Filed 1992·Granted Sep 6, 1994·164 cites·18 claims
- 0497US5059359AMethods and apparatus for production of three-dimensional objects by stereolithography3 D SYSTEMS INC·Filed 1988·Granted Oct 22, 1991·193 cites·57 claims
- 0596US6048487ARecoating stereolithographic layers3D SYSTEMS INC·Filed 1999·Granted Apr 11, 2000·100 cites·41 claims
- 0696US5143663AStereolithography method and apparatus3D SYSTEMS INC·Filed 1989·Granted Sep 1, 1992·293 cites·39 claims
- 0795US5688464AVibrationally enhanced stereolithographic recoating3D SYSTEMS INC·Filed 1995·Granted Nov 18, 1997·112 cites·32 claims
- 0895US5137662AMethod and apparatus for production of three-dimensional objects by stereolithography3 D SYSTEMS INC·Filed 1991·Granted Aug 11, 1992·158 cites·59 claims
- 0994US5870307AMethod and apparatus for production of high resolution three-dimensional objects by stereolithography3D SYSTEMS INC·Filed 1995·Granted Feb 9, 1999·85 cites·27 claims
- 1092US6084980AMethod of and apparatus for deriving data intermediate to cross-sectional data descriptive of a three-dimensional object3D SYSTEMS INC·Filed 1997·Granted Jul 4, 2000·81 cites·32 claims
- 1192US5693144AVibrationally enhanced stereolithographic recoating3D SYSTEMS INC·Filed 1995·Granted Dec 2, 1997·81 cites·12 claims
- 1291US6600965B1Method and apparatus for production of high resolution three-dimensional objects by stereolithography3D SYSTEMS INC·Filed 1999·Granted Jul 29, 2003·64 cites·15 claims
- 1391US5891382ARecoating of stereolithographic layers3D SYSTEM INC·Filed 1996·Granted Apr 6, 1999·77 cites·42 claims
- 1491US5209878ASurface resolution in three-dimensional objects by inclusion of thin fill layers3D SYSTEMS INC·Filed 1990·Granted May 11, 1993·151 cites·69 claims
- 1590US6406658B1Stereolithographic method and apparatus for production of three dimensional objects using multiple beams of different diameters3D SYSTEMS INC·Filed 1999·Granted Jun 18, 2002·82 cites·20 claims
- 1690US5902538ASimplified stereolithographic object formation methods of overcoming minimum recoating depth limitations3D SYSTEMS INC·Filed 1997·Granted May 11, 1999·72 cites·21 claims
- 1789US5855718AMethod of and apparatus for making partially solidified three-dimensional objects on a layer-by-layer basis from a solidifiable medium3D SYSTEMS INC·Filed 1996·Granted Jan 5, 1999·58 cites·31 claims
- 1886US6399010B1Method and apparatus for stereolithographically forming three dimensional objects with reduced distortion3D SYSTEMS INC·Filed 1999·Granted Jun 4, 2002·105 cites·21 claims
- 1983US6261506B1Method of making a three-dimensional object3D SYSTEMS INC·Filed 1998·Granted Jul 17, 2001·41 cites·7 claims
- 2081US6179601B1Simplified stereolithographic object formation methods of overcoming minimum recoating depth limitations3D SYSTEMS INC·Filed 1999·Granted Jan 30, 2001·42 cites·24 claims
- 2180US6649113B1Method to reduce differential shrinkage in three-dimensional stereolithographic objectsFiled 2000·Granted Nov 18, 2003·26 cites·16 claims
- 2277US6699424B2Method for forming three-dimensional objects3D SYSTEMS INC·Filed 2001·Granted Mar 2, 2004·13 cites·16 claims
- 2376US6103176AStereolithographic method and apparatus for production of three dimensional objects using recoating parameters for groups of layers3D SYSTEMS INC·Filed 1999·Granted Aug 15, 2000·37 cites·17 claims
- 2473US6261507B1Method of and apparatus for making a three-dimensional object by stereolithography3D SYSTEMS INC·Filed 1999·Granted Jul 17, 2001·27 cites·27 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →