Joel Brand
24Patents
9h-index
28Co-inventors
75Inventor score
Filing activity: Jun 1, 1992 → Mar 20, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6064488A | Method and apparatus for in situ gas concentration measurement | Physics | 89 | Expired |
| US6650740B1 | Methods and systems for enabling a reply call to a voice mail message | Electricity | 16 | Expired |
| US10177836B2 | Radio frequency self-interference-cancelled full-duplex relays | Electricity | 16 | Active |
| US5930000A | Line-locked diode laser for gas spectroscopy | Physics | 14 | Expired |
| US10673519B2 | Optically enhanced self-interference cancellation | Electricity | 13 | Active |
| US6810034B1 | Automatic conversion of telephone number to internet protocol address | Electricity | 12 | Expired |
| US6782089B1 | Bookmark system and method within an intelligent network | Electricity | 11 | Expired |
| US7933390B2 | Region-wide messaging system and methods including validation of transactions | Electricity | 10 | Active |
| US7646856B2 | Region-wide messaging system and methods including validation of transactions | Electricity | 9 | Expired |
| US7012998B1 | Voice messaging platform as an intelligent peripheral | Electricity | 8 | Expired |
| USD346451S | Store front | General | 8 | Expired |
| US7010111B1 | Audible confirmation using text to speech conversion | Electricity | 6 | Expired |
| US7436940B2 | Methods and systems for enabling a reply call to voice mail message | Electricity | 5 | Expired |
| US6891931B1 | Methods and systems for enabling return to same position in a review of messages in a voice mail system using tag or identifier stored in the voice mail system | Electricity | 5 | Expired |
| USD346664S | Store front | General | 3 | Expired |
| US7327835B2 | Methods and systems for enabling return to same position in a review of messages in a voice mail system using tag or identifier stored in the voice mail system | Electricity | 2 | Expired |
| US7760860B2 | Methods and systems for enabling a reply call to a voice mail message | Electricity | 2 | Active |
| US6925159B1 | System and method of billing a predetermined telephone line for service utilized by a calling party | Electricity | 2 | Expired |
| US8511141B2 | Stack gas measurement device and method therefor | Physics | 2 | Active |
| US10979131B2 | Self-interference-cancelled full-duplex relays | Electricity | 1 | Active |
| US8111816B2 | Methods and systems for enabling return to same position in a review of messages in a voice mail system using tag or identifier stored in the voice mail system | Electricity | 1 | Active |
| US11637623B2 | Optically enhanced self-interference cancellation | Electricity | 1 | Active |
| US9464989B2 | Stack gas measurement device and method thereof | Physics | 0 | Active |
| US12113603B2 | Optically enhanced self-interference cancellation | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.