Tak Tsui
28Patents
15h-index
11Co-inventors
74Inventor score
Filing activity: Jul 1, 1998 → Mar 7, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6490279B1 | Fast data base research and learning apparatus | Electricity | 74 | Expired |
| US7005861B1 | Cable tester | Physics | 66 | Expired |
| US8829917B1 | Cable tester | Electricity | 64 | Active |
| US7068044B1 | Cable tester | Electricity | 53 | Expired |
| US6992491B1 | Cable tester | Physics | 52 | Expired |
| US7173431B1 | Cable tester | Physics | 50 | Expired |
| US7403018B1 | Cable tester | Physics | 50 | Active |
| US7068043B1 | Cable tester | Electricity | 49 | Expired |
| US6980007B1 | Cable tester with insertion loss and return loss estimators | Physics | 43 | Expired |
| US7375532B1 | Cable tester | Electricity | 24 | Active |
| US7002353B1 | Cable tester | Electricity | 23 | Expired |
| US8588705B1 | System and method of determining Power over Ethernet impairment | Electricity | 23 | Active |
| US7075283B1 | Cable tester | Physics | 22 | Expired |
| US7026825B1 | Cable tester | Physics | 17 | Expired |
| US6982557B1 | Cable tester | Physics | 17 | Expired |
| US6995551B1 | Cable tester with insertion loss estimator | Physics | 14 | Expired |
| US7276913B1 | Cable tester | Physics | 14 | Expired |
| US7019533B1 | Cable tester | Physics | 14 | Expired |
| US6347089B1 | Simplified ethernet frame switching system architecture without local buffer requirement | Electricity | 13 | Expired |
| US8670335B2 | Reduced power transmission | Electricity | 11 | Active |
| US7808249B1 | Methods and apparatus for measuring a length of a cable | Electricity | 8 | Active |
| US7977951B1 | Methods and apparatus for measuring a length of a cable | Electricity | 7 | Active |
| US8179144B1 | Cable tester | Electricity | 4 | Active |
| US7683628B1 | Cable tester | Electricity | 3 | Active |
| US9267984B1 | Sub-symbol rate cable tester | Electricity | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.