David Heard
7Patents
3h-index
9Co-inventors
50Inventor score
Filing activity: Dec 5, 1995 → Jun 14, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5747796A | Waveguide type compact optical scanner and manufacturing method thereof | Electricity | 139 | Expired |
| US5943463A | Color image sensor and a production method of an optical waveguide array for use therein | Physics | 67 | Expired |
| US5716556A | Method for producing a polymeric optical waveguide | Physics | 11 | Expired |
| US7726635B2 | Clip for attaching a support member onto a steel fencepost | Fixed Constructions | 3 | Active |
| US9369591B2 | System and method for correlating user call response to electronic messages | Electricity | 0 | Active |
| US9609145B2 | System and method for correlating user call response to electronic messages | Electricity | 0 | Active |
| US9105057B2 | System and method for correlating user call response to electronic messages | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.