Okushi Okuyama
17Patents
3h-index
20Co-inventors
60Inventor score
Filing activity: Sep 6, 1994 → Jun 2, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5574543A | Image forming apparatus | Physics | 10 | Expired |
| US7505720B2 | Developing roller and developing method thereof | Physics | 8 | Active |
| US7692846B2 | Image display device | Physics | 3 | Active |
| US7903323B2 | Image display apparatus | Physics | 3 | Active |
| US7981586B2 | Image forming method using the same | Physics | 3 | Active |
| US7672626B2 | Developing roller and image forming method employing the same | Physics | 2 | Active |
| US7839562B2 | White particles for image display device | Emerging Cross-Sectional Technologies | 1 | Active |
| US7831183B2 | Electrophotograph developing roller and developing apparatus employing the same | Physics | 1 | Active |
| US7813031B2 | Image display device | Physics | 0 | Active |
| US8765347B2 | Two-component developing agent and developing method | Physics | 0 | Active |
| US7969643B2 | Display particles for image display apparatus and image display apparatus loaded with the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US8248685B2 | Display particles for image display apparatus and image display apparatus loaded with the same | Physics | 0 | Active |
| US8194032B2 | Image display medium, preparation method thereof | Physics | 0 | Active |
| US7830593B2 | Image display device | Physics | 0 | Active |
| US7885585B2 | Developing roller and image forming method employing the same | Physics | 0 | Active |
| US9188892B2 | Electrostatic latent image developing toner and electrophotographic image forming method | Physics | 0 | Active |
| US7952794B2 | Image display apparatus | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.