Luxtron Corporation
65Patents
0Active
65Granted
40Portfolio score
Filing activity: Feb 15, 1978 → Feb 24, 2006
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4986671A | Three-parameter optical fiber sensor and system | Physics | 492 | Expired |
| US6010538A | In situ technique for monitoring and controlling a process of chemical-mechanical-polishing via a radiative communication link | Physics | 127 | Expired |
| US4448547A | Optical temperature measurement technique utilizing phosphors | Physics | 120 | Expired |
| US4560286A | Optical temperature measurement techniques utilizing phosphors | Physics | 101 | Expired |
| US4752141A | Fiberoptic sensing of temperature and/or other physical parameters | Physics | 99 | Expired |
| US5304809A | Luminescent decay time measurements by use of a CCD camera | Physics | 99 | Expired |
| US5499733A | Optical techniques of measuring endpoint during the processing of material layers in an optically hostile environment | Electricity | 91 | Expired |
| US4652143A | Optical temperature measurement techniques | Physics | 87 | Expired |
| US4215275A | Optical temperature measurement technique utilizing phosphors | Physics | 85 | Expired |
| US5154512A | Non-contact techniques for measuring temperature or radiation-heated objects | Physics | 84 | Expired |
| US5695660A | Optical techniques of measuring endpoint during the processing of material layers in an optically hostile environment | Electricity | 80 | Expired |
| US5166080A | Techniques for measuring the thickness of a film formed on a substrate | Physics | 67 | Expired |
| US5183338A | Temperature measurement with combined photo-luminescent and black body sensing techniques | Physics | 64 | Expired |
| US5107445A | Modular luminescence-based measuring system using fast digital signal processing | Physics | 64 | Expired |
| US5490728A | Non-contact optical techniques for measuring surface conditions | Physics | 63 | Expired |
| US5308447A | Endpoint and uniformity determinations in material layer processing through monitoring multiple surface regions across the layer | Electricity | 53 | Expired |
| US4621929A | Fiber optic thermal anemometer | Physics | 52 | Expired |
| US5364186A | Apparatus and method for monitoring a temperature using a thermally fused composite ceramic blackbody temperature probe | Physics | 48 | Expired |
| US4897541A | Sensors for detecting electromagnetic parameters utilizing resonating elements | Physics | 44 | Expired |
| US5310260A | Non-contact optical techniques for measuring surface conditions | Physics | 43 | Expired |
| US4789992A | Optical temperature measurement techniques | Physics | 43 | Expired |
| US5717608A | Electro-optical board assembly for measuring the temperature of an object surface from infra-red emissions thereof, including an automatic gain control therefore | Physics | 40 | Expired |
| US4988212A | Fiberoptic sensing of temperature and/or other physical parameters | Physics | 39 | Expired |
| US5769540A | Non-contact optical techniques for measuring surface conditions | Physics | 39 | Expired |
| US4859079A | Optical system using a luminescent material sensor for measuring very high temperatures | Physics | 38 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.