Frank Liu
10Patents
4h-index
15Co-inventors
57Inventor score
Filing activity: Jul 15, 1996 → Sep 21, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6602627B2 | Uninterruptible power supplies using fuel cells | Emerging Cross-Sectional Technologies | 61 | Expired |
| US6288916A | Multiple output uninterruptible alternating current power supplies for communications system | Emerging Cross-Sectional Technologies | 51 | Expired |
| US7356091B2 | Apparatus, methods and articles of manufacture for signal propagation using unwrapped phase | Electricity | 24 | Expired |
| US5862138A | Adaptive routing in a multiple network communication system | Electricity | 8 | Expired |
| US7254186B2 | Electromagnetic wave transmitter, receiver and transceiver systems, methods and articles of manufacture | Electricity | 4 | Expired |
| US7340007B2 | Apparatus, methods and articles of manufacture for pre-emphasis filtering of a modulated signal | Electricity | 2 | Expired |
| US11302412B2 | Systems and methods for simulated device testing using a memory-based communication protocol | Physics | 0 | Active |
| US11954444B2 | Systems and methods for monitoring technology infrastructure | Physics | 0 | Active |
| US11863295B2 | Identifying and monitoring connections in an optical system | Electricity | 0 | Active |
| US12316441B2 | Identifying and monitoring connections in an optical system | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.