Photon-X, Inc.
32Patents
7Active
32Granted
55Portfolio score
Filing activity: Feb 20, 1998 → Jan 28, 2022 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6876796B2 | Nanocomposite microresonators | Electricity | 71 | Expired |
| US6483978B1 | Compact optical amplifier module | Electricity | 28 | Expired |
| US8736670B2 | 3D visualization system | Physics | 27 | Active |
| USD476977S1 | Optical amplifier | General | 26 | Expired |
| USD463414S1 | Optical amplifier | General | 25 | Expired |
| US6731426B2 | Long wavelength optical amplifier | Electricity | 23 | Expired |
| US6292292A | Rare earth polymers, optical amplifiers and optical fibers | Electricity | 23 | Expired |
| US6538805B1 | Codopant polymers for efficient optical amplification | Electricity | 18 | Expired |
| US5940567A | Optical fibers having an inner core and an outer core | Physics | 15 | Expired |
| US6473551B2 | Thin film optical waveguides | Physics | 15 | Expired |
| US6631228B2 | Adhesive-free bonding method of fiber attachment for polymer optical waveguide on polymer substrate | Physics | 15 | Expired |
| US6857276B2 | Temperature controller module | Physics | 12 | Expired |
| US8023724B2 | Apparatus and method of information extraction from electromagnetic energy based upon multi-characteristic spatial geometry processing | Physics | 10 | Active |
| US6810141B2 | Method for processing spatial-phase characteristics of electromagnetic energy and information conveyed therein | Physics | 9 | Expired |
| US6507430B2 | Long wavelength optical amplifier | Electricity | 9 | Expired |
| US6917749B2 | Polymer optical waveguides on polymer substrates | Physics | 7 | Expired |
| US8320661B2 | Apparatus and method for extracting information from electromagnetic energy including target 3D structure and materials | Physics | 6 | Active |
| US6781748B2 | Long wavelength optical amplifier | Electricity | 5 | Expired |
| US6650818B2 | Rare earth doped optical waveguide and laser with optimal bending curves | Electricity | 5 | Expired |
| US6603917B2 | Planar optical waveguide with core barrier | Physics | 5 | Expired |
| US6801703B2 | Freestanding athermal polymer optical waveguide | Physics | 5 | Expired |
| US9693728B2 | Systems and methods for measuring mechanical properties of deformable materials | Human Necessities | 3 | Active |
| US6927898B2 | Ultra-wide bandwidth optical amplifier | Electricity | 3 | Expired |
| US6574393B2 | Compact optical fiber amplifier module | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6898351B2 | Optical fiber transmission systems with suppressed light scattering | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.