Hans Peter Graf
83Patents
22h-index
53Co-inventors
91Inventor score
Filing activity: Nov 19, 1987 → Jan 27, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5995119A | Method for generating photo-realistic animated characters | Physics | 274 | Expired |
| US5631984A | Method and apparatus for separating static and dynamic portions of document images | Electricity | 237 | Expired |
| US5864630A | Multi-modal method for locating objects in images | Physics | 216 | Expired |
| US6028960A | Face feature analysis for automatic lipreading and character animation | Physics | 195 | Expired |
| US7136818B1 | System and method of providing conversational visual prosody for talking heads | Physics | 190 | Expired |
| US5805745A | Method for locating a subject's lips in a facial image | Electricity | 149 | Expired |
| US5224179A | Image skeletonization method | Physics | 145 | Expired |
| US6990452B1 | Method for sending multi-media messages using emoticons | Physics | 133 | Expired |
| US6963839B1 | System and method of controlling sound in a multi-media communication application | Physics | 107 | Expired |
| US6504546B1 | Method of modeling objects to synthesize three-dimensional, photo-realistic animations | Physics | 105 | Expired |
| US6112177A | Coarticulation method for audio-visual text-to-speech synthesis | Physics | 79 | Expired |
| US6118887A | Robust multi-modal method for recognizing objects | Physics | 67 | Expired |
| US7035803B1 | Method for sending multi-media messages using customizable background images | Electricity | 67 | Expired |
| US7076430B1 | System and method of providing conversational visual prosody for talking heads | Physics | 60 | Expired |
| US6654018B1 | Audio-visual selection process for the synthesis of photo-realistic talking-head animations | Physics | 48 | Expired |
| US7177811B1 | Method for sending multi-media messages using customizable background images | Electricity | 39 | Expired |
| US8583896B2 | Massively parallel processing core with plural chains of processing elements and respective smart memory storing select data received from each chain | Physics | 33 | Active |
| US5647027A | Method of image enhancement using convolution kernels | Physics | 32 | Expired |
| US6980697B1 | Digitally-generated lighting for video conferencing applications | Physics | 31 | Expired |
| US7921013B1 | System and method for sending multi-media messages using emoticons | Physics | 29 | Active |
| US5093900A | Reconfigurable neural network | Physics | 27 | Expired |
| US5258946A | Content-addressable memory | Physics | 23 | Expired |
| US7805017B1 | Digitally-generated lighting for video conferencing applications | Physics | 22 | Active |
| US4875183A | Neural networks | Physics | 21 | Expired |
| US7949109B2 | System and method of controlling sound in a multi-media communication application | Physics | 18 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.