SpectraScience, Inc.
🏢 View company profile →26Patents
0Active
26Granted
34Portfolio score
Filing activity: Nov 18, 1992 → Nov 25, 2002
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5439000A | Method of diagnosing tissue with guidewire | Human Necessities | 520 | Expired |
| US5383467A | Guidewire catheter and apparatus for diagnostic imaging | Human Necessities | 421 | Expired |
| US5601087A | System for diagnosing tissue with guidewire | Human Necessities | 411 | Expired |
| US6174291A | Optical biopsy system and methods for tissue diagnosis | Human Necessities | 360 | Expired |
| US6394964B1 | Optical forceps system and method of diagnosing and treating tissue | Human Necessities | 171 | Expired |
| US5882779A | Semiconductor nanocrystal display materials and display apparatus employing same | Emerging Cross-Sectional Technologies | 157 | Expired |
| US5762613A | Optical biopsy forceps | Human Necessities | 134 | Expired |
| US6129683A | Optical biopsy forceps | Human Necessities | 121 | Expired |
| US6066102A | Optical biopsy forceps system and method of diagnosing tissue | Human Necessities | 116 | Expired |
| US6259506A | Field activated security articles including polymer dispersed liquid crystals, and including micro-encapsulated field affected materials | Emerging Cross-Sectional Technologies | 68 | Expired |
| US6578712B2 | Methods and apparatus employing multi-spectral imaging for the remote identification and sorting of objects | Emerging Cross-Sectional Technologies | 46 | Expired |
| US6633370B2 | Quantum dots, semiconductor nanocrystals and semiconductor particles used as fluorescent coding elements | Physics | 39 | Expired |
| US6047964A | Scratch card, and method and apparatus for validation of the same | Emerging Cross-Sectional Technologies | 34 | Expired |
| US6064476A | Self-targeting reader system for remote identification | Performing Operations; Transporting | 22 | Expired |
| US6100973A | Methods and apparatus for performing microanalytical techniques using photolithographically fabricated substrates having narrow band optical emission capability | Electricity | 21 | Expired |
| US5845640A | Chemiluminescent sources for photodynamic therapy and photomedicine | Human Necessities | 20 | Expired |
| US5851225A | Photoemitting catheters and other structures suitable for use in photo-dynamic therapy and other applications | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6296189A | Methods and apparatus employing multi-spectral imaging for the remote identification and sorting of objects | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5908608A | Synthesis of metal chalcogenide quantum | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6832783B2 | Optically-based methods and apparatus for performing sorting, coding and authentication using a gain medium that provides a narrowband emission | Physics | 17 | Expired |
| US6030411A | Photoemitting catheters and other structures suitable for use in photo-dynamic therapy and other applications | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6088380A | Method and apparatus for intracavity pixelated lasing projection | Electricity | 7 | Expired |
| US6370216B1 | Thickness sensor suitable for detecting a presence of a plurality of items, such as currency | Physics | 5 | Expired |
| US6254596A | Solid state source for generating intense light for photomedicine | Human Necessities | 5 | Expired |
| US6233481A | Diagnostic application of sono-chemical excitation of fluorescent photosensitizers | Human Necessities | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.