Douglas V. Baker
29Patents
7h-index
38Co-inventors
69Inventor score
Filing activity: Apr 12, 1993 → Oct 27, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6262804A | Handheld color measurement instrument | Physics | 119 | Expired |
| US6002488A | Compact spectrophotometer | Physics | 100 | Expired |
| US6198536A | Portable scanning spectrophotometer | Physics | 45 | Expired |
| US5369494A | Portable scanning colorimeter | Physics | 12 | Expired |
| US6493084B1 | Color measurement instrument with multiple protocol interface | Physics | 10 | Expired |
| US7466416B2 | Color measurement system | Physics | 8 | Expired |
| US6031617A | Scanning colorimeter with x-y drive | Physics | 7 | Expired |
| US6285452A | Portable scanning spectrophotometer | Physics | 5 | Expired |
| US7322527B2 | Color measurement instrument capable of both strip reading and spot reading | Physics | 4 | Expired |
| US11180076B2 | Lighting element | Mechanical Engineering; Lighting; Heating | 4 | Active |
| USD652750S1 | Color verification card | General | 3 | Expired |
| US10227034B2 | Integrated lighting | Performing Operations; Transporting | 2 | Active |
| US7345763B2 | Method for operating a color measurement system | Physics | 1 | Expired |
| US7636163B2 | Color measurement device with error detection | Performing Operations; Transporting | 1 | Active |
| USRE38986E1 | Portable scanning spectrophotometer | General | 1 | Expired |
| US6346984B2 | Portable scanning spectrophotometer | Physics | 1 | Expired |
| US7492456B2 | Method for operating a color measurement system | Physics | 1 | Active |
| US9767703B2 | Portable emergency vehicle demonstration system | Physics | 1 | Active |
| US11670900B2 | Universal smart adaptor | Performing Operations; Transporting | 0 | Active |
| US10703260B2 | Supplemental lighting element | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11752933B2 | Accessory optical path translator | Performing Operations; Transporting | 0 | Active |
| US12276390B1 | Auxilliary illumination assembly for a vehicle | Performing Operations; Transporting | 0 | Active |
| US10928013B2 | Lighting element | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10865967B1 | Reconfigurable vehicle control system | Electricity | 0 | Active |
| US11560985B2 | Lighting element | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.