J. David Cocca
24Patents
13h-index
16Co-inventors
70Inventor score
Filing activity: Jan 30, 1989 → Mar 22, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5032854A | Photographic film cassette and camera apparatus and method | Physics | 61 | Expired |
| US5394206A | Orientation independent, detachable film cartridge, memory module | Physics | 44 | Expired |
| US5387955A | Still camera with remote audio recording unit | Physics | 35 | Expired |
| US5666186A | Text interface for still photographic camera with data recording capability | Physics | 33 | Expired |
| US5030978A | Photographic film cassette | Physics | 30 | Expired |
| US4994833A | Camera apparatus for preventing double-exposure of film returned to a self-thrusting cassette | Physics | 29 | Expired |
| US5302997A | Composite photometric and range finding element array | Physics | 28 | Expired |
| US5321455A | Camera apparatus and method for film double exposure prevention | Physics | 24 | Expired |
| US5450149A | Photographic camera and method for recording magnetic data on film | Physics | 24 | Expired |
| US5315342A | Automatic focus and indirect illumination camera system | Physics | 19 | Expired |
| US5541681A | Camera apparatus and method for film double exposure prevention | Physics | 14 | Expired |
| US4903055A | Method and apparatus for calibrating and/or testing a photographic camera | Physics | 13 | Expired |
| US5363157A | Camera utilizing variable audio film frame for optical encoding of audio information | Physics | 13 | Expired |
| US5287134A | Photographic flash apparatus | Physics | 13 | Expired |
| US4980709A | Camera apparatus for preventing initialization of exposed film stored in a self-thrusting cassette | Physics | 10 | Expired |
| US5138350A | Camera apparatus for preventing initialization of partly or fully exposed film stored in a self-thrusting cassette | Physics | 10 | Expired |
| US5519462A | Dual function magnetic data read circuit for photographic equipment | Physics | 9 | Expired |
| US5440363A | Method and apparatus for setting camera operating mode activity | Physics | 7 | Expired |
| US5481331A | Control system for camera with multiple opto-sensors | Physics | 6 | Expired |
| US5649253A | Self calibration circuit for a camera | Physics | 5 | Expired |
| US5708899A | Multiple switches for elimination of camera failure modes | Physics | 4 | Expired |
| US5394217A | Method and apparatus for determining line frequency and detecting variable frequency light sources | Physics | 4 | Expired |
| US5659830A | Apparatus for discriminating between a film notch and metering perforations in an automatic camera | Physics | 2 | Expired |
| US5602617A | Light metering device with adjustable output | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.