Inventor · Sunnyvale, CA, US

Tak Tsui

28Patents
15h-index
11Co-inventors
74Inventor score

Filing activity: Jul 1, 1998 → Mar 7, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
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.