Taku Amada
30Patents
9h-index
27Co-inventors
71Inventor score
Filing activity: Aug 8, 1997 → Mar 13, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6621512B2 | Multi-beam light source device and multi-beam scanning apparatus using the same | Physics | 59 | Expired |
| US7050082B2 | Image forming system employing effective optical scan-line control device | Performing Operations; Transporting | 38 | Expired |
| US7532227B2 | Optical scanner and image forming apparatus | Electricity | 31 | Expired |
| US6771300B2 | Multi-beam scanning device | Performing Operations; Transporting | 27 | Expired |
| US7333254B2 | Optical scanning apparatus, illuminant apparatus and image forming apparatus | Physics | 23 | Expired |
| US7403316B2 | Optical scanning device, image forming apparatus and liquid crystal device driving method | Physics | 21 | Expired |
| US7145589B2 | Light scanning apparatus having a liquid crystal deflector and image forming apparatus using the same | Electricity | 15 | Expired |
| US5952649A | Optical write apparatus with an operation for even charging of photosensitive element | Electricity | 13 | Expired |
| US7450274B2 | Optical scanning apparatus, image forming apparatus, and beam positioning method | Physics | 11 | Active |
| US7206014B2 | Multi-beam pitch adjusting apparatus and image forming apparatus | Performing Operations; Transporting | 9 | Expired |
| US7710445B2 | Light source unit, optical scan apparatus, and image formation apparatus | Physics | 9 | Active |
| US7800641B2 | Light source unit, optical scan apparatus, and image formation apparatus | Physics | 8 | Active |
| US7684100B2 | Optical-element holding device, method of adjusting shape of optical element, optical-element shape adjusting device, method of correcting scanning line variation, optical scanning device, and image forming apparatus | Physics | 7 | Active |
| US7505060B2 | Light scanning apparatus having a liquid crystal deflector and image forming apparatus using the same | Electricity | 6 | Active |
| USRE42865E1 | Image forming system employing effective optical scan-line control device | General | 6 | Active |
| US7719737B2 | Optical scanning device, image forming apparatus and liquid crystal device driving method | Physics | 5 | Active |
| US7525561B2 | Optical scanner and image forming apparatus | Electricity | 5 | Active |
| US7706040B2 | Optical scanning apparatus, illuminant apparatus and image forming apparatus | Physics | 4 | Active |
| US7460145B2 | Multi-beam pitch adjusting apparatus and image forming apparatus | Performing Operations; Transporting | 4 | Active |
| US7936492B2 | Light source device, optical scanning device, and image forming apparatus | Physics | 3 | Active |
| US8174747B2 | Optical scanning apparatus and image forming apparatus | Electricity | 2 | Active |
| US7777774B2 | Image forming system employing effective optical scan-line control device | Performing Operations; Transporting | 2 | Active |
| US9228825B2 | Positional change measurement device, positional change measurement method, and image forming apparatus | Physics | 2 | Active |
| US8031362B2 | Optical scanning device, image forming apparatus, and liquid crystal element | Electricity | 1 | Active |
| US8908001B2 | Optical scanning device and image forming apparatus | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.