Patent assignee · US · COMPANY

Quantum Semiconductor LLP

30Patents
19Active
30Granted
47Portfolio score

Filing activity: Aug 27, 2001 → Jul 30, 2022 · 7 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7153720B2 CMOS image sensor Electricity 108 Expired
US7521737B2 Light-sensing device Electricity 94 Expired
US6943051B2 Method of fabricating heterojunction photodiodes integrated with CMOS Electricity 34 Expired
US6891869B2 Wavelength-selective photonics device Emerging Cross-Sectional Technologies 33 Expired
US7319423B2 Multi-mode ADC and its application to CMOS image sensors Electricity 25 Expired
US8120079B2 Light-sensing device for multi-spectral imaging Electricity 21 Active
US7265006B2 Method of fabricating heterojunction devices integrated with CMOS Electricity 16 Expired
US7068206B2 Asynchronous serial analog-to-digital converter methodology having dynamic adjustment of the bandwidth Electricity 15 Expired
US9640616B2 Superlattice materials and applications Emerging Cross-Sectional Technologies 12 Active
US7115963B2 Circuitry for image sensors with avalanche photodiodes Electricity 10 Expired
US9036960B2 Photonic via waveguide for pixel arrays Electricity 9 Active
US8885987B2 Photonic via waveguide for pixel arrays Electricity 8 Active
US8183516B2 Layouts for the monolithic integration of CMOS and deposited photonic active layers Electricity 7 Active
US7442953B2 Wavelength selective photonics device Electricity 7 Expired
US8233052B2 Imaging devices operable with multiple aspect ratios Electricity 5 Active
US8436288B2 Image sensors with photo-current mode and solar cell operation Electricity 5 Active
US8816443B2 Method of fabricating heterojunction photodiodes with CMOS Electricity 3 Active
US7023030B2 MISFET Electricity 3 Expired
US6674099B1 MISFET Electricity 2 Expired
US9917155B2 Superlattice materials and applications Emerging Cross-Sectional Technologies 2 Active
US8963169B2 CMOS pixels comprising epitaxial layers for light-sensing and light emission Emerging Cross-Sectional Technologies 2 Active
US7518540B2 Multi-mode ADC and its application to CMOS image sensors Electricity 2 Active
US10128339B2 Superlattice materials and applications Emerging Cross-Sectional Technologies 1 Active
US11888079B2 Electrical devices making use of counterdoped junctions Electricity 0 Active
US11424382B2 Electrical devices making use of counterdoped junctions Electricity 0 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.