Takayasu Aoki
54Patents
6h-index
27Co-inventors
72Inventor score
Filing activity: Jun 16, 1995 → Feb 22, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5638384A | Data communication system | Electricity | 41 | Expired |
| US5983090A | Mobile communication system with access function to computer network | Electricity | 34 | Expired |
| US5898708A | Error correction apparatus and method | Electricity | 15 | Expired |
| US7164887B2 | Radio communication device | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7020486B2 | Portable communication terminal | Electricity | 8 | Expired |
| US8465897B2 | Electrophotographic toner | Physics | 6 | Active |
| US8486598B2 | Electrophotographic toner | Physics | 5 | Active |
| US8730285B2 | Decoloring apparatus, image forming apparatus, and decoloring method | Physics | 5 | Active |
| US8541156B2 | Method for erasing image | Physics | 3 | Active |
| US8487972B2 | Decoloring apparatus, image forming apparatus, and decoloring method | Physics | 3 | Active |
| US9291950B2 | Apparatus and method for forming an image with a non-decolorizable material and a decolorizable material | Physics | 2 | Active |
| US8940468B2 | Decolorable toner and process for production thereof | Physics | 2 | Active |
| US8691487B2 | Electrophotographic toner | Physics | 2 | Active |
| US9348249B2 | Image forming apparatus and image forming and decoloring system | Physics | 2 | Active |
| US8615189B2 | Image forming apparatus and image forming method | Physics | 2 | Active |
| US8790857B2 | Toner and process for production thereof | Physics | 1 | Active |
| US9298143B2 | Method for erasing image | Physics | 1 | Active |
| US9821590B2 | Color erasing apparatus, color erasing system and color erasing control method | Electricity | 1 | Active |
| US8609314B2 | Developing agent and method of manufacturing the same | Physics | 1 | Active |
| US7985525B2 | Method for producing developing agent | Physics | 1 | Active |
| US9519236B2 | Reversibly allochroic toner, method of producing the same, toner cartridge, and image forming apparatus | Physics | 1 | Active |
| US7846634B2 | Developing agent | Physics | 1 | Active |
| US9261805B1 | Toner set for printing system and printing system | Physics | 1 | Active |
| US8865388B2 | Electrophotographic toner and process for producing electrophotographic toner | Physics | 0 | Active |
| US9671727B2 | Method for erasing image | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.