ASSA ABLOY AB
483Patents
469Active
483Granted
61Portfolio score
Filing activity: Mar 12, 2001 → Apr 29, 2024 · 56 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8232879B2 | Directional sensing mechanism and communications authentication | Electricity | 252 | Active |
| US7706778B2 | System and method for remotely assigning and revoking access credentials using a near field communication equipped mobile phone | Physics | 115 | Active |
| US7439862B2 | Antenna array for an RFID reader compatible with transponders operating at different carrier frequencies | Physics | 91 | Expired |
| US8074271B2 | Method and apparatus for making a decision on a card | Physics | 87 | Active |
| US8150374B2 | System and method for remotely assigning and revoking access credentials using a near field communication equipped mobile phone | Physics | 60 | Active |
| USD647810S1 | Key tag | General | 53 | Expired |
| USD736207S1 | Access control reader | General | 47 | Active |
| USD673153S1 | Access control reader | General | 47 | Active |
| US9681302B2 | Method, apparatus, and system for providing and using a trusted tag | Electricity | 40 | Active |
| US7845202B2 | Interchangeable electromechanical lock core | Emerging Cross-Sectional Technologies | 35 | Active |
| US8527613B2 | Provisioned firmware updates using object identifiers | Physics | 33 | Active |
| USD696255S1 | Reader housing | General | 30 | Active |
| US8130166B2 | Coupling device for transponder and smart card with such device | Physics | 30 | Active |
| US8578472B2 | Method and apparatus for making a decision on a card | Physics | 30 | Active |
| US8232862B2 | Biometrically authenticated portable access device | Physics | 29 | Active |
| US6822552B2 | Key and lock device | Physics | 28 | Expired |
| USD673533S1 | RFID tag housing | General | 28 | Active |
| US7874190B2 | Electromechanical lock cylinder | Emerging Cross-Sectional Technologies | 27 | Expired |
| US7539465B2 | Tuning an RFID reader with electronic switches | Physics | 26 | Active |
| US8427320B2 | Directional sensing mechanism and communications authentication | Electricity | 25 | Active |
| US7439860B2 | Auto-tuned RFID reader antenna | Physics | 24 | Active |
| US7407110B2 | Protection of non-promiscuous data in an RFID transponder | Physics | 24 | Active |
| US8774714B2 | External power supply system for a lock comprising NFC-type contactless communication means | Physics | 23 | Active |
| US8028553B2 | Modular electromechanical lock cylinder | Emerging Cross-Sectional Technologies | 22 | Active |
| USD867916S1 | Reader housing | General | 22 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.