Alcatel NA, Inc.
26Patents
0Active
26Granted
36Portfolio score
Filing activity: Aug 5, 1987 → Jul 3, 1990
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4838643A | Single mode bend insensitive fiber for use in fiber optic guidance applications | Physics | 192 | Expired |
| US4960318A | Optical fiber cable | Physics | 82 | Expired |
| US4989946A | Fiber optic switch | Physics | 54 | Expired |
| US5031984A | Optical fiber electro-optical module | Physics | 52 | Expired |
| US5037167A | Electrical and fiber optic cable control and management | Physics | 39 | Expired |
| US4862122A | Dielectric notch filter | Electricity | 34 | Expired |
| US4964095A | Data communication bypass apparatus and method | Electricity | 29 | Expired |
| US4944570A | Fiber optic cable having an extended elongation window | Physics | 25 | Expired |
| US4932742A | Fiber optic wavelength division multiplexing module | Physics | 25 | Expired |
| US4993019A | Line unit interface circuit | Electricity | 23 | Expired |
| US5109409A | Apparatus and method to detect telephony signaling states | Electricity | 22 | Expired |
| US4972581A | Optical fiber access tool | Physics | 19 | Expired |
| US5014268A | Parallel time slot interchanger matrix and switch block module for use therewith | Electricity | 19 | Expired |
| US5051714A | Modular resonant cavity, modular dielectric notch resonator and modular dielectric notch filter | Electricity | 18 | Expired |
| US5027349A | Embedded control technique for distributed control systems | Electricity | 18 | Expired |
| US4838918A | Inert atmosphere cooler for optical fibers | Chemistry; Metallurgy | 16 | Expired |
| US5001708A | Sonet H4 byte generator | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4964691A | Optical fiber cable having optical fibers with various lengths | Physics | 15 | Expired |
| US4896125A | Dielectric notch resonator | Electricity | 14 | Expired |
| US4977478A | Contact status detector | Electricity | 10 | Expired |
| US4949334A | Protected information transfer system | Electricity | 10 | Expired |
| US4852157A | Multi-task state machine signalling translator | Electricity | 8 | Expired |
| US4961051A | Non-actuating relay driver tester | Physics | 7 | Expired |
| US4990880A | Transformer clip | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4962520A | Composite ringing and coin control voltage detector and method | Electricity | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.