James L. Richards
145Patents
56h-index
37Co-inventors
90Inventor score
Filing activity: Sep 30, 1976 → Jun 23, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6300903A | System and method for person or object position location utilizing impulse radio | Electricity | 240 | Expired |
| US6512455B2 | System and method for monitoring assets, objects, people and animals utilizing impulse radio | Electricity | 209 | Expired |
| US6133876A | System and method for position determination by impulse radio | Electricity | 209 | Expired |
| US6501393B1 | System and method for using impulse radio technology to track and monitor vehicles | Electricity | 190 | Expired |
| US6900732B2 | System and method for monitoring assets, objects, people and animals utilizing impulse radio | Electricity | 187 | Expired |
| US6539213B1 | System and method for impulse radio power control | Electricity | 162 | Expired |
| US6504483B1 | System and method for using impulse radio technology to track and monitor animals | Electricity | 154 | Expired |
| US6577691B2 | Precision timing generator apparatus and associated methods | Electricity | 147 | Expired |
| US6823022B1 | Method for mitigating effects of interference in impulse radio communication | Electricity | 138 | Expired |
| US6989751B2 | System and method for monitoring assets, objects, people and animals utilizing impulse radio | Electricity | 137 | Expired |
| US6177903A | System and method for intrusion detection using a time domain radar array | Physics | 136 | Expired |
| US6492904B2 | Method and system for coordinating timing among ultrawideband transmissions | Electricity | 132 | Expired |
| US6111536A | System and method for distance measurement by inphase and quadrature signals in a radio system | Physics | 123 | Expired |
| US6304623A | Precision timing generator system and method | Electricity | 118 | Expired |
| US6466125B1 | System and method using impulse radio technology to track and monitor people needing health care | Electricity | 118 | Expired |
| US6295019A | System and method for distance measurement by inphase and quadrature signals in a radio system | Physics | 118 | Expired |
| US6571089B1 | Method and apparatus for moderating interference while effecting impulse radio wireless control of equipment | Electricity | 107 | Expired |
| US7046187B2 | System and method for active protection of a resource | Physics | 104 | Expired |
| US6636566B1 | Method and apparatus for specifying pulse characteristics using a code that satisfies predefined criteria | Electricity | 103 | Expired |
| US6297773A | System and method for position determination by impulse radio | Electricity | 100 | Expired |
| US6469628B1 | System and method for using impulse radio technology in the farming field | Electricity | 100 | Expired |
| US6556621B1 | System for fast lock and acquisition of ultra-wideband signals | Electricity | 100 | Expired |
| US7868721B2 | Field emission system and method | Emerging Cross-Sectional Technologies | 97 | Active |
| US6959032B1 | Method and apparatus for positioning pulses in time | Electricity | 97 | Expired |
| US6763057B1 | Vector modulation system and method for wideband impulse radio communications | Electricity | 95 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.