Michael Ridgway
11Patents
5h-index
8Co-inventors
55Inventor score
Filing activity: Jul 16, 1993 → Apr 6, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5477301A | Photographic processing apparatus | Physics | 11 | Expired |
| US5629797A | Autostereoscopic image system | Electricity | 11 | Expired |
| US5411842A | Method of making a photographic developer solution | Physics | 9 | Expired |
| US5734945A | Processing apparatus | Physics | 5 | Expired |
| US5411817A | Battery with charge indicator | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5687418A | Processing apparatus | Physics | 3 | Expired |
| US5784662A | Carrier for Photographic material | Physics | 1 | Expired |
| US5546153A | Liquid transfer system and method | Emerging Cross-Sectional Technologies | 1 | Expired |
| US9080900B2 | Three dimensional orientation and direction indicator and apparatus for providing information on a direction | Physics | 1 | Active |
| US5670303A | Method and apparatus for altering the pH of a photographic developing solution | Physics | 0 | Expired |
| US5631121A | Photographic processing | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.