Issued Patents All Time
Showing 101–125 of 132 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5227912 | Multiple-stage optical Kerr gate system | Ping-Pei Ho | 1993-07-13 |
| 5150248 | Terahertz repetition rate optical computing systems, and communication systems and logic elements using cross-phase modulation based optical processors | Ping-Pei Ho, Patrice Baldeck | 1992-09-22 |
| 5142372 | Three-dimensional optical imaging of semi-transparent and opaque objects using ultrashort light pulses, a streak camera and a coherent fiber bundle | Ping-Pei Ho | 1992-08-25 |
| 5140463 | Method and apparatus for improving the signal to noise ratio of an image formed of an object hidden in or behind a semi-opaque random media | Kwong M. Yoo | 1992-08-18 |
| 5136530 | Ultrafast digital optical signal processing using a Venn diagram based spatial encoding technique | Yao Li, Roger Dorsinville | 1992-08-04 |
| 5131398 | Method and apparatus for distinguishing cancerous tissue from benign tumor tissue, benign tissue or normal tissue using native fluorescence | Bidyut B. Das, Guichen Tang | 1992-07-21 |
| 5126874 | Method and apparatus for creating transient optical elements and circuits | Yao Li, P. L. Baldeck | 1992-06-30 |
| 5061075 | Optical method and apparatus for diagnosing human spermatozoa | George R. Nagamatsu, Nobutoshi Oka | 1991-10-29 |
| 5042494 | Method and apparatus for detecting cancerous tissue using luminescence excitation spectra | — | 1991-08-27 |
| 5034903 | Apparatus and method for measuring the time evolution of carriers propogating within submicron and micron electronic devices | Ping-Pei Ho | 1991-07-23 |
| 5003168 | Trigger circuit for a streak camera sweep drive circuit | Rohana Garuthara | 1991-03-26 |
| 4987575 | Tetravalent chromium (Cr.sub.4+) as a laser-active ion for tunabale solid-state lasers | Vladimir Petricevic | 1991-01-22 |
| 4973160 | SHG autocorrelator | Yoshihiro Takiguchi, Yury Budansky | 1990-11-27 |
| 4972423 | Method and apparatus for generating ultrashort light pulses | Peter J. Delfyett, Roger Dorsinville | 1990-11-20 |
| 4969156 | Laser cavity having an adjustable optical path length extender | Norman H. Schiller | 1990-11-06 |
| 4956548 | Ultrafast oscilloscope | Ping-Pei Ho | 1990-09-11 |
| 4931704 | Ultrafast sampling oscilloscope | Ardie D. Walser | 1990-06-05 |
| 4932031 | Chromium-doped foresterite laser system | Vladimir Petricevic, Swapan K. Gayen | 1990-06-05 |
| 4930516 | Method for detecting cancerous tissue using visible native luminescence | Michele A. Alfano | 1990-06-05 |
| 4918635 | Ultrafast digital photonic signal processing using optical noncollinear second harmonic generation | Yao Li, George Eichmann | 1990-04-17 |
| 4853595 | Photomultiplier tube having a transmission strip line photocathode and system for use therewith | Ardie D. Walser | 1989-08-01 |
| 4682020 | Picosecond gated light detector | — | 1987-07-21 |
| 4659921 | Ultrafast gated light detector | — | 1987-04-21 |
| 4630925 | Compact temporal spectral photometer | Norman H. Schiller | 1986-12-23 |
| RE31815 | Method and apparatus for detecting the presence of caries in teeth using visible luminescence | — | 1985-01-29 |