Optical Switch Corporation
26Patents
0Active
26Granted
34Portfolio score
Filing activity: Jul 7, 1997 → Jul 10, 2001
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6185019A | Holographic patterning method and tool employing prism coupling | Physics | 87 | Expired |
| US5875271A | Apparatus for switching optical signals and method of operation | Physics | 49 | Expired |
| US6556280B1 | Period reconfiguration and closed loop calibration of an interference lithography patterning system and method of operation | Physics | 41 | Expired |
| US6519382B1 | Frustrated total internal reflection switch using waveguides and method of operation | Physics | 37 | Expired |
| US5841916A | Frustrated total internal reflection device | Physics | 35 | Expired |
| US6236778A | Frustrated total internal reflection bus and method of operation | Electricity | 26 | Expired |
| US6253007A | Method and apparatus for connecting optical fibers | Physics | 24 | Expired |
| US6255038A | Process for modulating interferometric lithography patterns to record selected discrete patterns in photoresist | Physics | 22 | Expired |
| US5909301A | Frustrated total internal reflection device having a first spacer and a second spacer | Physics | 22 | Expired |
| US6236787A | Method and apparatus for aligning optical fibers using an alignment spacer | Physics | 22 | Expired |
| US5917641A | Frustrated total internal reflection device having a spacer and an endplate | Physics | 21 | Expired |
| US6393174B1 | Integrated fiber array optical switch using double-pass propagation and method of operation | Physics | 20 | Expired |
| US6438283B1 | Frustrated total internal reflection switch using double pass reflection and method of operation | Physics | 18 | Expired |
| US6137930A | Method and apparatus for aligning optical fibers | Physics | 17 | Expired |
| US6393175B1 | Integrated fiber array optical switch and method of operation | Physics | 16 | Expired |
| US6285817A | Holographic patterning method and tool for production environments | Electricity | 11 | Expired |
| US6522433B2 | Interference lithography using holey fibers | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6542654B1 | Reconfigurable optical switch and method | Physics | 10 | Expired |
| US6445854B1 | Optical fiber having first and second reflective surfaces and method of operation | Physics | 9 | Expired |
| US6453084B1 | System and method for beam-steering using a reference signal feedback | Physics | 9 | Expired |
| US6243511A | System and method for determining the condition of an optical signal | Physics | 7 | Expired |
| US6529653B1 | System and method for orienting and positioning optical fibers | Physics | 6 | Expired |
| US6529655B1 | Frustrated total internal reflection optical switch using waveguides and method of operation | Physics | 6 | Expired |
| US6516107B1 | 2×2 integrated fiber array optical switch and method of operation | Physics | 3 | Expired |
| US6516111B1 | Cascaded integrated fiber array optical switch and method of operation | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.