Koji Imamiya
43Patents
7h-index
27Co-inventors
69Inventor score
Filing activity: Sep 24, 1992 → Dec 3, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5930556A | Image forming apparatus | Physics | 20 | Expired |
| US5324884A | Developing device having first and second toner supply means with an electric field generated therebetween | Physics | 18 | Expired |
| US5424817A | Developing device having disordering member in contact with supply roller | Physics | 14 | Expired |
| US5477006A | Developing device having developing roller and conductive member | Physics | 13 | Expired |
| US5333040A | Developing device having improved toner transport capacity for use in an image forming apparatus | Physics | 13 | Expired |
| US6104901A | Image forming apparatus with a squeeze roller for controlling a liquid developer quantity | Physics | 11 | Expired |
| US9044981B2 | Image processing apparatus and method for operating image processing apparatus | Physics | 8 | Active |
| US8465897B2 | Electrophotographic toner | Physics | 6 | Active |
| US8730285B2 | Decoloring apparatus, image forming apparatus, and decoloring method | Physics | 5 | Active |
| US8486598B2 | Electrophotographic toner | Physics | 5 | Active |
| US7203436B2 | Image forming apparatus and image forming method using decolorizing toner | Physics | 4 | Expired |
| US6385421B1 | Image forming apparatus including a returning mechanism for returning excessive developing liquid | Physics | 4 | Expired |
| US8963973B2 | Image forming apparatus and image forming method | Performing Operations; Transporting | 4 | Active |
| US8918002B2 | Image forming apparatus and method for controlling image forming apparatus, which includes fixing and decolorizing section | Physics | 4 | Active |
| US8541156B2 | Method for erasing image | Physics | 3 | Active |
| US8487972B2 | Decoloring apparatus, image forming apparatus, and decoloring method | Physics | 3 | Active |
| US8615189B2 | Image forming apparatus and image forming method | Physics | 2 | Active |
| US8691487B2 | Electrophotographic toner | Physics | 2 | Active |
| US6014538A | Cleaning device for cleaning copy machine component | Physics | 2 | Expired |
| US7433637B2 | Image forming apparatus and method of manufacturing electronic circuit using the same | Emerging Cross-Sectional Technologies | 2 | Active |
| US7877871B2 | Method of manufacturing an electronic circuit formed on a substrate | Emerging Cross-Sectional Technologies | 1 | Active |
| US9298143B2 | Method for erasing image | Physics | 1 | Active |
| US7583909B2 | Image forming apparatus and image forming method using decolorizing toner | Physics | 1 | Active |
| US9405241B2 | Image processing apparatus and method for operating image processing apparatus | Physics | 1 | Active |
| US8805224B2 | Image forming apparatus | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.