James A. Johanson
67Patents
22h-index
24Co-inventors
84Inventor score
Filing activity: Sep 16, 1997 → Mar 11, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6353664B1 | Caller ID equipment which displays location of caller | Electricity | 236 | Expired |
| US6408232B1 | Wireless piconet access to vehicle operational statistics | Physics | 205 | Expired |
| US6561951B2 | Networked biometrically secured fitness device scheduler | Human Necessities | 123 | Expired |
| US6462660B1 | Wireless piconet-based personal electronic property reminder | Physics | 118 | Expired |
| US6650871B1 | Cordless RF range extension for wireless piconets | Electricity | 91 | Expired |
| US6335962B1 | Apparatus and method for grouping and prioritizing voice messages for convenient playback | Electricity | 78 | Expired |
| US8086287B2 | System and method for switching between audio sources | Electricity | 73 | Active |
| US7103154B1 | Automatic transmission of voice-to-text converted voice message | Electricity | 65 | Expired |
| US6549792B1 | Accelerometer influenced communication device | Emerging Cross-Sectional Technologies | 56 | Expired |
| US6868155B1 | Off-hook visual message waiting indicator | Electricity | 51 | Expired |
| US6959192B1 | System and method for updating stored information portable electronic devices based on geographic location | Emerging Cross-Sectional Technologies | 50 | Expired |
| US6529587B1 | Method for screening active voice mail messages | Electricity | 49 | Expired |
| US6104582A | Storm alert automatic system power-down | Physics | 49 | Expired |
| US6760413B2 | Display of call related information regarding a called party | Electricity | 43 | Expired |
| US6430270B1 | Automatic conversational record | Electricity | 41 | Expired |
| US6269159A | Conferencing with a calling party | Electricity | 36 | Expired |
| US6792297B2 | Methods and systems for indicating cellular telephone battery-charging information | Electricity | 33 | Expired |
| US6026152A | Ring count controlled by incoming call related information | Electricity | 32 | Expired |
| US6603855B1 | Cordless phone notification of extended off-hook using parallel set detection | Electricity | 31 | Expired |
| US6243459A | Telephone with adaptive speed dial mechanism | Electricity | 27 | Expired |
| US6038291A | Call forwarding via a 2-line phone | Electricity | 24 | Expired |
| US6449342B1 | Recorded voice message summary | Electricity | 24 | Expired |
| US6574318B1 | Call related information receiver to receiver transfer | Electricity | 22 | Expired |
| US6952471B1 | Handset proximity muting | Electricity | 21 | Expired |
| US7058358B2 | Enhanced wireless network security using GPS | Electricity | 19 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.