Richard A. Irwin
9Patents
5h-index
11Co-inventors
49Inventor score
Filing activity: Apr 13, 1999 → Dec 6, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6246642A | Automated optical detection system and method | Physics | 95 | Expired |
| US6331714A | Guidance system and method for an automated media exchanger | Physics | 9 | Expired |
| US6366707B1 | Imaging apparatus alignment system and method | Physics | 8 | Expired |
| US6693858B2 | Data cartridge detector | Physics | 7 | Expired |
| US6557764B1 | Method and apparatus for illumination control to increase the manufacturing yield for a bar code and position reference reader in a mass storage auto-changer | Physics | 5 | Expired |
| US6469525B2 | Method for sensing humidity in a tape library | Physics | 3 | Expired |
| US6255645A | Method and apparatus for optically measuring drive train backlash | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6967791B2 | Illumination systems and methods | Physics | 2 | Expired |
| US6664525B2 | Adjustable focus imaging device | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.