Tomoe Aruga
44Patents
10h-index
34Co-inventors
75Inventor score
Filing activity: Sep 21, 1987 → Oct 23, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4882644A | Magnetic head supporting mechanism | Physics | 32 | Expired |
| US5081551A | Recording and reproducing apparatus | Physics | 25 | Expired |
| US6799011B2 | Tandem-type color image forming apparatus | Physics | 21 | Expired |
| US5950052A | Image forming apparatus | Physics | 18 | Expired |
| US4825314A | Disc drive | Physics | 18 | Expired |
| US6907215B2 | Developing device and image forming apparatus incorporating the same | Physics | 15 | Expired |
| US6975829B2 | Device for fixing an image on a sheet medium | Physics | 15 | Expired |
| US5469421A | Floppy disk drive device | Electricity | 14 | Expired |
| US5303104A | Disk drive apparatus having carriage driving mechanism | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6865361B2 | Transfer belt unit and image forming apparatus using the same | Physics | 13 | Expired |
| US6993270B2 | Belt member incorporated in image forming apparatus | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5303102A | Disk drive apparatus having head guard | Physics | 10 | Expired |
| US6163674A | Developing unit having developing roller with restraining blade | Physics | 10 | Expired |
| US6192209A | Developing unit | Physics | 9 | Expired |
| US5121272A | Apparatus for centering the magnetic disc in a magnetic disc drive | Physics | 9 | Expired |
| US7058345B2 | Transfer belt unit and image forming apparatus using the same | Physics | 9 | Expired |
| US6198893A | Image forming apparatus having a plurality of developing units | Physics | 8 | Expired |
| US5537191A | Image forming apparatus with toner transport mechanism incorporated therein | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6226484A | Developing unit using specific developer composition | Physics | 7 | Expired |
| US7406286B2 | Fixing device and image forming apparatus including a heating roller with multiple heaters | Physics | 7 | Expired |
| US6336022B2 | Developing unit | Physics | 7 | Expired |
| US4903155A | Disc drive | Physics | 6 | Expired |
| US6094554A | Developing unit having developing roller with specific side surface roughness | Physics | 6 | Expired |
| US5729804A | Toner storage device and supply mechanism for image forming | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6151474A | Developing unit using elastic supply roller | Physics | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.