Inventor · Beaverton, OR, US

Kei-Wean C. Yang

27Patents
9h-index
5Co-inventors
68Inventor score

Filing activity: Mar 23, 1987 → Jun 27, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US4855724A Color filter grouping for addressing matrixed display devices Electricity 38 Expired
US6734689B1 Measurement probe providing signal control for an EOS/ESD protection module Physics 23 Expired
US6731104B1 Measurement probe system with EOS/ESD protection Physics 22 Expired
US5214342A Two-dimensional walker assembly for a scanning tunneling microscope Emerging Cross-Sectional Technologies 17 Expired
US5065203A Trench structured charge-coupled device Electricity 15 Expired
US5550660A STN displays having high contrast, with purple polarizer and residual birefringence causing greenish-gold or purplish-blue coloring Physics 14 Expired
US4992842A Charge-coupled device channel with countinously graded built-in potential Electricity 13 Expired
US4965648A Tilted channel, serial-parallel-serial, charge-coupled device Electricity 10 Expired
US7167011B2 Differential measurement probe having retractable double cushioned variable spacing probing tips with EOS/ESD protection capabilities Physics 9 Expired
US7126360B1 Differential signal acquisition probe having retractable double cushioned probing tips with EOS/ESD protection capabilities Physics 7 Expired
US6954569B2 Butt joined electronic assembly and module Physics 7 Expired
US7253648B2 Signal acquisition probe having a retractable double cushioned probing tip with EOS/ESD protection capabilities Physics 6 Expired
US6646887B2 Removable mechanical attachment system for electronic assemblies Physics 5 Expired
US6707679B2 Butt joined opto-electronic module Physics 4 Expired
US7362112B2 Signal acquisition probe having a retractable double cushioned probing tip assembly Physics 3 Expired
US7436191B2 Differential measurement probe having a ground clip system for the probing tips Physics 3 Active
US7586318B2 Differential measurement probe having a ground clip system for the probing tips Physics 3 Active
US7560944B2 Differential measurement probe having a ground clip system for the probing tips Physics 2 Active
US4891826A Method of operating a charge-coupled device to reduce spillback Physics 2 Expired
US6726377B2 Butt joined electrical apparatus and module Physics 2 Expired
US6827504B2 Butt joined electronic assembly and module having an electrical standoff Electricity 1 Expired
US6722795B2 Butt joined opto-electrical apparatus and module Physics 1 Expired
US6605547B1 Electrical standoff having a transmission structure and method of manufacture Electricity 0 Expired
US9041497B2 Minimal intrusion very low insertion loss technique to insert a device to a semi-rigid coaxial transmission line Emerging Cross-Sectional Technologies 0 Active
US7609135B2 Switching apparatus with voltage spike prevention Electricity 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.