Eiji Sawamura
12Patents
8h-index
38Co-inventors
68Inventor score
Filing activity: Jul 28, 1993 → May 20, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5400123A | Image forming apparatus capable of erasing an image recorded in a sheet | Physics | 63 | Expired |
| US5426495A | Image fixing device having heating portion at one end thereof | Physics | 38 | Expired |
| US5717843A | Image recording apparatus | Electricity | 26 | Expired |
| US5602651A | Image recording apparatus | Electricity | 24 | Expired |
| US5774232A | Image recording apparatus | Electricity | 23 | Expired |
| US5745664A | Image synthesizing method and image recording apparatus which electronically synthesizes an image with a page of information | Electricity | 19 | Expired |
| US5913095A | Image forming apparatus | Physics | 18 | Expired |
| US5999789A | Fixing device for an image forming apparatus | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7480478B2 | Method and apparatus for image forming capable of effectively fixing a toner image on a recording sheet by using induction heating | Physics | 5 | Expired |
| US7643784B2 | Fixing apparatus, fixing member used in the fixing apparatus, and image forming apparatus having the fixing apparatus | Physics | 0 | Active |
| US7989131B2 | Toner, developer, image forming method, image forming apparatus, process cartridge, and toner container | Physics | 0 | Active |
| US8137883B2 | Toner, developer, image forming method, image forming apparatus, process cartridge, and toner container | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.