Ken-ichi Ohta
54Patents
15h-index
55Co-inventors
87Inventor score
Filing activity: Nov 15, 1991 → Jul 27, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5430525A | Image processing apparatus | Emerging Cross-Sectional Technologies | 127 | Expired |
| US5844699A | Color image processing apparatus | Electricity | 63 | Expired |
| US5227871A | Image processing apparatus capable of discriminating a predetermined image | Emerging Cross-Sectional Technologies | 41 | Expired |
| US7257264B2 | Image processing apparatus and method for compression-encoding image area information | Electricity | 37 | Expired |
| US5363454A | Image processing apparatus | Electricity | 33 | Expired |
| US7194140B2 | Image processing apparatus and method which compresses image data of each region using a selected encoding method | Electricity | 32 | Expired |
| US7391917B2 | Image processing method | Physics | 31 | Expired |
| US5594558A | Color image processing apparatus | Electricity | 31 | Expired |
| US5315415A | Color image processing apparatus | Electricity | 22 | Expired |
| US7164493B1 | Image processing method, system and apparatus, and storage medium | Electricity | 22 | Expired |
| US6549657B2 | Image processing apparatus and method | Physics | 21 | Expired |
| US7106911B2 | Image processing apparatus and control method for inputting image data and encoding the data | Electricity | 20 | Expired |
| US5801855A | Color image processing method and apparatus utilizing the same | Electricity | 18 | Expired |
| US7349577B2 | Image processing method and image processing system | Emerging Cross-Sectional Technologies | 16 | Expired |
| US7693835B2 | Client apparatus, device verification apparatus, and verification method | Electricity | 16 | Active |
| US7536026B2 | Image processing apparatus and method | Electricity | 13 | Active |
| US7054029B1 | Image processing apparatus and method, and storage medium | Electricity | 13 | Expired |
| US6714673B1 | Image processing method and apparatus, and recording medium therefor | Electricity | 13 | Expired |
| US5463469A | Image processing apparatus capable of discriminating a predetermined image | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6608927B2 | Color image processing method and apparatus utilizing the same | Electricity | 12 | Expired |
| US7127115B2 | Image processing apparatus and method, computer program, and storage medium | Physics | 12 | Expired |
| US8135385B2 | Mobile terminal, access control management device, and access control management method | Electricity | 12 | Active |
| US5847849A | Image processor apparatus capable of updating reference data for determining similarity between features | Electricity | 11 | Expired |
| US7664321B2 | Image processing method, system, program, program storage medium and information processing apparatus | Electricity | 10 | Expired |
| US7913290B2 | Device management apparatus, device, and device management method | Electricity | 9 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.