Daniel A. Hanson
15Patents
11h-index
19Co-inventors
69Inventor score
Filing activity: Feb 4, 1997 → Apr 2, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6058300A | Prepay telecommunications system | Electricity | 319 | Expired |
| US6035025A | System and method for a prepaid bundled telecommunications account | Electricity | 269 | Expired |
| US7149046B1 | Disk drive implementing wear prevention in a high frequency access band of tracks | Physics | 138 | Expired |
| US6029062A | Prepay telecommunications system with unregistered roaming call processing | Electricity | 118 | Expired |
| US6381325B1 | System and method for wireless directory assistance | Electricity | 59 | Expired |
| US6208851A | Prepay telecommunications system | Electricity | 53 | Expired |
| US6516194B2 | System for controlling and monitoring a wireless roaming call | Electricity | 49 | Expired |
| US6885857B1 | System and method for real-time bundled telecommunications account processing and billing | Electricity | 25 | Expired |
| US6625438B2 | Prepay telecommunications system | Electricity | 17 | Expired |
| US7079849B2 | System and method for controlling and monitoring a wireless roaming call | Electricity | 11 | Expired |
| US7162220B2 | Prepay telecommunications system | Electricity | 11 | Expired |
| US7260409B2 | Wireless telecommunication network registration roaming call origination, and roaming call delivery methods | Electricity | 6 | Active |
| US8095475B2 | System and method for prepay account management system | Physics | 5 | Active |
| US9951398B2 | Methods for gas-phase thermochromatographic separations of fission and activation products | Physics | 1 | Active |
| US11847143B2 | Systems and methods for automated data governance | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.