Patent assignee · US · COMPANY

Nanogen, Inc.

101Patents
3Active
101Granted
43Portfolio score

Filing activity: Nov 1, 1993 → Sep 14, 2007 · 3 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US5605662A Active programmable electronic devices for molecular biological analysis and diagnostics Emerging Cross-Sectional Technologies 1,000 Expired
US5632957A Molecular biological diagnostic systems including electrodes Electricity 741 Expired
US6051380A Methods and procedures for molecular biological analysis and diagnostics Electricity 419 Expired
US5965452A Multiplexed active biologic array Emerging Cross-Sectional Technologies 397 Expired
US5849486A Methods for hybridization analysis utilizing electrically controlled hybridization Electricity 373 Expired
US6017696A Methods for electronic stringency control for molecular biological analysis and diagnostics Emerging Cross-Sectional Technologies 315 Expired
US5929208A Methods for electronic synthesis of polymers Emerging Cross-Sectional Technologies 257 Expired
US5849489A Hybridization of polynucleotides conjugated with chromophores and fluorophores to generate donor-to-donor energy transfer system Emerging Cross-Sectional Technologies 231 Expired
US5565322A Hybridization of polynucleotides conjugated with chromophores and fluorophores to generate donor-to donor energy transfer system Emerging Cross-Sectional Technologies 226 Expired
US6048690A Methods for electronic fluorescent perturbation for analysis and electronic perturbation catalysis for synthesis Electricity 187 Expired
US7045097B2 Biologic electrode array with integrated optical detector Emerging Cross-Sectional Technologies 184 Expired
US6068818A Multicomponent devices for molecular biological analysis and diagnostics Electricity 177 Expired
US6071394A Channel-less separation of bioparticles on a bioelectronic chip by dielectrophoresis Performing Operations; Transporting 164 Expired
US5787032A Deoxyribonucleic acid(DNA) optical storage using non-radiative energy transfer between a donor group, an acceptor group and a quencher group Emerging Cross-Sectional Technologies 162 Expired
US6682936B2 Addressable biologic electrode array Emerging Cross-Sectional Technologies 153 Expired
US6309601A Scanning optical detection system Electricity 147 Expired
US6403367B1 Integrated portable biological detection system Electricity 124 Expired
US6780584B1 Electronic systems and component devices for macroscopic and microscopic molecular biological reactions, analyses and diagnostics Emerging Cross-Sectional Technologies 119 Expired
US6258606A Multiplexed active biologic array Emerging Cross-Sectional Technologies 117 Expired
US6099803A Advanced active electronic devices for molecular biological analysis and diagnostics Electricity 105 Expired
US7267751B2 Programmable multiplexed active biologic array Emerging Cross-Sectional Technologies 100 Expired
US6249784A System and method for searching and processing databases comprising named annotated text strings Emerging Cross-Sectional Technologies 98 Expired
US6280590A Channel-less separation of bioparticles on a bioelectronic chip by dielectrophoresis Performing Operations; Transporting 91 Expired
US6569382B1 Methods apparatus for the electronic, homogeneous assembly and fabrication of devices Electricity 90 Expired
US6245508A Method for fingerprinting utilizing an electronically addressable array Electricity 76 Expired

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