Tellium, Inc.
27Patents
0Active
27Granted
35Portfolio score
Filing activity: Dec 6, 1995 → Mar 27, 2001
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5960133A | Wavelength-selective optical add/drop using tilting micro-mirrors | Electricity | 258 | Expired |
| US6335992B1 | Scalable optical cross-connect system and method transmitter/receiver protection | Electricity | 84 | Expired |
| US5841500A | Wedge-shaped liquid crystal cell | Electricity | 73 | Expired |
| US5946331A | Integrated multi-wavelength transmitter | Electricity | 66 | Expired |
| US5805755A | Self-aligned transition from ridge to buried heterostructure waveguide, especially for multi-wavelength laser array integration | Electricity | 63 | Expired |
| US6333799A | Hybrid wavelength-interchanging cross-connect | Electricity | 54 | Expired |
| US6272154A | Reconfigurable multiwavelength network elements | Electricity | 50 | Expired |
| US6549692B1 | Optical monitoring of the angular position of micro mirrors in an optical switch | Physics | 45 | Expired |
| US6480645B1 | Sidewall electrodes for electrostatic actuation and capacitive sensing | Physics | 41 | Expired |
| US5825517A | Parametric wavelength interchanging cross-connect | Electricity | 40 | Expired |
| US6327019A | Dual liquid-crystal wavelength-selective optical switch | Electricity | 37 | Expired |
| US6307653A | Optical matrix protection system | Electricity | 35 | Expired |
| US6075512A | Temperature compensation of a wedge-shaped liquid-crystal cell | Physics | 33 | Expired |
| US6603894B1 | MEMS mirror arrays and external lens system in an optical switch | Electricity | 32 | Expired |
| US6493475B1 | Monolithic integration of signal-monitoring scheme in an optical switch | Physics | 32 | Expired |
| US6307660A | Optical receiver particularly useful for a multi-wavelength receiver array | Electricity | 29 | Expired |
| US6175436A | Automatic feedback gain control for multiple channels in a doped optical fiber amplifier | Electricity | 26 | Expired |
| US6529652B1 | Optical switch and method for aligning optical switch components | Physics | 25 | Expired |
| US6633693B1 | Temperature control of micro-mirrors of an optical switch substrate | Physics | 20 | Expired |
| US6470110B1 | Monolithic integration of control elements and micro-mirror in an optical switch | Physics | 15 | Expired |
| US6292281A | Protection for MEMS cross-bar switch | Physics | 15 | Expired |
| US6628857B1 | Optical switch with an array of offset angled micro-mirrors | Physics | 14 | Expired |
| US6347008B1 | Optical amplifier system and optical network having flattened gain and constant per channel output power | Electricity | 12 | Expired |
| US6591029B1 | Optical switch and method for aligning optical switch components | Physics | 11 | Expired |
| US6690849B1 | Optical switch having MEMS array with reduced optical loss | Electricity | 8 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.