David Kopans
7Patents
2h-index
2Co-inventors
41Inventor score
Filing activity: Dec 22, 1997 → Jul 19, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6421709B1 | E-mail filter and method thereof | Physics | 703 | Expired |
| US6023723A | Method and system for filtering unwanted junk e-mail utilizing a plurality of filtering mechanisms | Emerging Cross-Sectional Technologies | 501 | Expired |
| US9463383B2 | Computer system and method for generating, exchanging, and valuing social currency | Physics | 2 | Active |
| US10361979B2 | Computer system and method for adding attributes to an electronic message on behalf of the message's sender | Electricity | 1 | Active |
| US9737809B2 | Computer system and method for generating, exchanging, and valuing social currency | Physics | 1 | Active |
| US10099131B2 | Computer system and method for generating, exchanging, and valuing social currency | Physics | 0 | Active |
| US10771415B2 | Computer system and method for adding attributes to an electronic message on behalf of the messages sender | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.