Nigel Keam
45Patents
12h-index
54Co-inventors
84Inventor score
Filing activity: Jun 12, 1997 → Apr 10, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7791597B2 | Uniquely identifiable inking instruments | Physics | 102 | Active |
| US7515143B2 | Uniform illumination of interactive display panel | Physics | 97 | Active |
| US7499027B2 | Using a light pointer for input on an interactive display surface | Physics | 75 | Active |
| US6348875B1 | Message formatting, authentication, and error detection in home control systems | Electricity | 48 | Expired |
| US7713116B2 | Inventory management of virtual items in computer games | Human Necessities | 27 | Expired |
| US5936677A | Microbuffer used in synchronization of image data | Electricity | 25 | Expired |
| US9426905B2 | Connection device for computing devices | Electricity | 21 | Active |
| US8063888B2 | Identification of devices on touch-sensitive surface | Physics | 19 | Active |
| US8786767B2 | Rapid synchronized lighting and shuttering | Electricity | 18 | Active |
| US6690289B1 | Message formatting, authentication, and error detection in home control systems | Electricity | 17 | Expired |
| US6064297A | Message authentication and key synchronization in home control systems | Electricity | 15 | Expired |
| US7359564B2 | Method and system for cancellation of ambient light using light frequency | Physics | 14 | Active |
| US8004502B2 | Correcting for ambient light in an optical touch-sensitive device | Physics | 10 | Active |
| US7665098B2 | System and method for monitoring interactions between application programs and data stores | Physics | 9 | Active |
| US8125458B2 | Detecting finger orientation on a touch-sensitive device | Physics | 9 | Active |
| US9330302B2 | Polarized gaze tracking | Electricity | 9 | Active |
| US8982061B2 | Angular contact geometry | Physics | 9 | Active |
| US8117094B2 | Distribution channels and monetizing | Physics | 8 | Active |
| US8212857B2 | Alternating light sources to reduce specular reflection | Physics | 8 | Active |
| US6144291A | Bit encoding in home control systems | Electricity | 8 | Expired |
| US7515822B2 | Imaging systems' direct illumination level adjusting method and system involves adjusting operation of image sensor of imaging system based on detected level of ambient illumination | Physics | 8 | Active |
| US6496185B1 | Method and apparatus for processing a mesh of triangles | Physics | 7 | Expired |
| US7692639B2 | Uniquely identifiable inking instruments | Physics | 5 | Active |
| US8289300B2 | Ambient correction in rolling image capture system | Physics | 4 | Active |
| US5977865A | Bit encoding in home control systems | Electricity | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.