Ayako Yashima
9Patents
3h-index
14Co-inventors
50Inventor score
Filing activity: Aug 20, 1999 → Aug 19, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6593047B2 | Single-layer type electrophotosensitive material | Physics | 9 | Expired |
| US6090514A | Electrophotographic photoreceptor | Physics | 6 | Expired |
| US6573017B2 | Single-layer type electrophotosensitive material | Physics | 3 | Expired |
| US6461779B1 | Single-layer type electrophotosensitive material | Physics | 2 | Expired |
| US6879794B2 | Image forming apparatus | Physics | 2 | Expired |
| US6858368B2 | Electrophotographic photoreceptor and image forming device | Physics | 2 | Expired |
| US7090952B2 | Electrophotosensitive material | Physics | 1 | Expired |
| US9131074B2 | Information processing apparatus, printing apparatus, printing system, and computer-readable non-transitory storage medium | Electricity | 0 | Active |
| US9110616B2 | Image processing apparatus | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.