Michael Purdy
39Patents
7h-index
19Co-inventors
62Inventor score
Filing activity: Feb 11, 2004 → Feb 2, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7271568B2 | Battery charger for portable devices and related methods | Electricity | 52 | Expired |
| US7116079B2 | Methods and apparatus for simultaneously charging multiple rechargable batteries | Electricity | 31 | Expired |
| US7884570B2 | Battery charger for portable devices and related methods | Electricity | 21 | Active |
| US8194028B2 | System and method for adjusting an intensity value and a backlight level for a display of an electronic device | Physics | 9 | Active |
| US8610397B2 | Battery charger for portable devices and related methods | Electricity | 9 | Active |
| US7388352B2 | Methods and apparatus for simultaneously charging multiple rechargeable batteries | Electricity | 8 | Active |
| US7113670B2 | Method and device to improve backlight uniformity | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7330216B2 | Handheld electronic device having a battery compartment door that includes a camera | Electricity | 7 | Expired |
| US7710466B2 | Method and apparatus for controlling a camera module to compensate for the color spectrum of a white LED | Electricity | 6 | Active |
| US7702235B2 | Handheld electronic device and camera providing flash compensation of images, and associated method | Physics | 5 | Active |
| US8537311B2 | Display devices containing a circular polarizing system and methods related thereto | Physics | 5 | Active |
| US7646448B2 | Method and device to improve backlight uniformity | Emerging Cross-Sectional Technologies | 5 | Active |
| US7489102B2 | Battery charger that identifies portable device type and rechargeable battery type and method | Electricity | 4 | Active |
| US7978230B2 | Method and apparatus for controlling a camera module to compensate for the color spectrum of a white LED | Electricity | 4 | Active |
| US8817002B2 | Data display adapted for bright ambient light | Physics | 4 | Active |
| US7825958B2 | Method and apparatus for controlling a camera module to compensate for the light level of a white LED | Physics | 4 | Active |
| US7445367B2 | Method and device to improve backlight uniformity | Emerging Cross-Sectional Technologies | 3 | Active |
| US7415176B2 | Method and device to improve backlight uniformity | Emerging Cross-Sectional Technologies | 3 | Active |
| US8345866B2 | Secure data transfer on a handheld communications device | Electricity | 2 | Active |
| US8306412B2 | Handheld electronic device and camera providing flash compensation of images, and associated method | Physics | 2 | Active |
| US8798266B2 | Secure data transfer on a handheld communications device | Electricity | 2 | Active |
| US9275571B2 | Method and system to quickly fade the luminance of an OLED display | Physics | 2 | Active |
| US9285532B2 | Backlight module having a prisim reflector | Physics | 1 | Active |
| US8964103B2 | Method and apparatus for reducing continuous autofocus power consumption | Electricity | 1 | Active |
| US8325249B2 | Method and apparatus for controlling a camera module to compensate for the light level of a white LED | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.