Toyoshi Okada
13Patents
5h-index
29Co-inventors
58Inventor score
Filing activity: Nov 30, 1995 → Dec 11, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5949409A | Image processing in which the image is divided into image areas with specific color lookup tables for enhanced color resolution | Physics | 97 | Expired |
| US7275987B2 | Virtual world system, server computer and information processor | Human Necessities | 50 | Expired |
| US6807620B1 | Game system with graphics processor | Human Necessities | 29 | Expired |
| US7469345B2 | Methods and apparatus for secure distribution of program content | Physics | 10 | Expired |
| US7178037B2 | Computer program copy management system | Physics | 8 | Expired |
| US7275261B2 | Method and system for monitoring utilizing condition of contents, computer program and recording medium | Physics | 5 | Expired |
| US7313702B2 | Method for issuing identification information | Physics | 5 | Expired |
| US6151035A | Method and system for generating graphic data | Physics | 4 | Expired |
| US7409441B2 | Display apparatus for accessing desired web site | Electricity | 3 | Expired |
| US7409063B2 | Contents distribution system | Electricity | 1 | Expired |
| US6677951B2 | Entertainment apparatus having compatibility and computer system | Electricity | 1 | Expired |
| US7864957B2 | Methods and apparatus for secure distribution of program content | Electricity | 1 | Expired |
| US7490143B2 | Communication system | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.