James E. Keen
7Patents
4h-index
14Co-inventors
54Inventor score
Filing activity: Jul 1, 1981 → Apr 16, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5640301A | System for adapting a personal computer for radio communication | Electricity | 46 | Expired |
| US4388723A | Control device for steerable null antenna processor | Electricity | 22 | Expired |
| USD467005S1 | Hand wand for massaging apparatus | General | 9 | Expired |
| USD468021S1 | Hand wand for massaging apparatus | General | 5 | Expired |
| US11087798B2 | Selective curation of user recordings | Physics | 1 | Active |
| US11087393B2 | Vehicle sharing | Physics | 1 | Active |
| USD466611S1 | Hand wand for massaging apparatus | General | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.