Mitsumi Fujii
19Patents
11h-index
26Co-inventors
68Inventor score
Filing activity: Sep 22, 1998 → Jun 28, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7068296B2 | Optical scanning device for reducing a dot position displacement at a joint of scanning lines | Physics | 41 | Expired |
| US6331052A | Ink jet printing apparatus | Performing Operations; Transporting | 32 | Expired |
| US6972883B2 | Vibration mirror, optical scanning device, and image forming using the same, method for making the same, and method for scanning image | Emerging Cross-Sectional Technologies | 31 | Expired |
| US6682185B2 | Liquid drop jet head, ink cartridge and ink jet recording apparatus | Performing Operations; Transporting | 28 | Expired |
| US8089498B2 | Surface-emission laser array, optical scanning apparatus apparatus and image forming apparatus | Electricity | 27 | Active |
| US8508567B2 | Surface-emission laser array, optical scanning apparatus and image forming apparatus | Electricity | 19 | Active |
| US6913348B2 | Liquid drop jet head, ink cartridge and ink jet recording apparatus | Performing Operations; Transporting | 18 | Expired |
| US7529011B2 | Deflector mirror with regions of different flexural rigidity | Physics | 18 | Expired |
| US6352333B2 | Method and apparatus for preventing nozzle clogging in ink jet printing apparatus | Performing Operations; Transporting | 16 | Expired |
| US7221493B2 | Vibration mirror, optical scanning device, and image forming using the same, method for making the same, and method for scanning image | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7364253B2 | Liquid drop jet head, ink cartridge and ink jet recording apparatus | Performing Operations; Transporting | 12 | Expired |
| US7593029B2 | Optical scanning device and image forming apparatus using the same | Electricity | 10 | Active |
| US7031040B2 | Optical scanning apparatus, optical writing apparatus, image forming apparatus, and method of driving vibration mirror | Physics | 9 | Expired |
| US7417780B2 | Vibration mirror, optical scanning device, and image forming using the same, method for making the same, and method for scanning image | Emerging Cross-Sectional Technologies | 6 | Active |
| US8830551B2 | Actuator, protective cover for actuator, actuator manufacturing method, and optical deflector incorporating actuator, and two dimensional optical scanner and image projector incorporating optical scanner | Emerging Cross-Sectional Technologies | 5 | Active |
| US8054327B2 | Optical scanning device and image forming apparatus using the same | Electricity | 3 | Active |
| US8174750B2 | Optical deflector, optical scanner, image forming apparatus, and image projector | Physics | 3 | Active |
| US8373916B2 | Optical scanner and image forming apparatus | Physics | 0 | Active |
| US8830287B2 | Surface-emission laser array, optical scanning apparatus and image forming apparatus | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.