Henry I. Smith
52Patents
19h-index
50Co-inventors
87Inventor score
Filing activity: Oct 14, 1975 → May 23, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5915051A | Wavelength-selective optical add/drop switch | Physics | 214 | Expired |
| US5414514A | On-axis interferometric alignment of plates using the spatial phase of interference patterns | Electricity | 168 | Expired |
| US4200395A | Alignment of diffraction gratings | Physics | 135 | Expired |
| US5808742A | Optical alignment apparatus having multiple parallel alignment marks | Physics | 114 | Expired |
| US4890309A | Lithography mask with a .pi.-phase shifting attenuator | Physics | 104 | Expired |
| US4360586A | Spatial period division exposing | Physics | 69 | Expired |
| US5900637A | Maskless lithography using a multiplexed array of fresnel zone plates | Physics | 67 | Expired |
| US6088103A | Optical interference alignment and gapping apparatus | Physics | 62 | Expired |
| US4256787A | Orientation of ordered liquids and their use in devices | Emerging Cross-Sectional Technologies | 58 | Expired |
| US5142385A | Holographic lithography | Physics | 54 | Expired |
| US6522411B1 | Optical gap measuring apparatus and method having two-dimensional grating mark with chirp in one direction | Physics | 52 | Expired |
| US4340305A | Plate aligning | Physics | 44 | Expired |
| US5014360A | Removing perspiration | Emerging Cross-Sectional Technologies | 38 | Expired |
| US4479846A | Method of entraining dislocations and other crystalline defects in heated film contacting patterned region | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4370194A | Orientation of ordered liquids and their use in devices | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5136169A | Energy beam locating | Electricity | 26 | Expired |
| US4333792A | Enhancing epitaxy and preferred orientation | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5892230A | Scintillating fiducial patterns | Electricity | 20 | Expired |
| US5122223A | Graphoepitaxy using energy beams | Emerging Cross-Sectional Technologies | 20 | Expired |
| US7150910B2 | Nanocrystal structures | Emerging Cross-Sectional Technologies | 18 | Expired |
| US3984680A | Soft X-ray mask alignment system | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4254174A | Supported membrane composite structure and its method of manufacture | Emerging Cross-Sectional Technologies | 18 | Expired |
| US7193782B2 | System and method for manipulating micro-particles using electromagnetic fields | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5809103A | X-ray lithography masking | Physics | 14 | Expired |
| US4170512A | Method of manufacture of a soft-X-ray mask | Physics | 12 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.