Toshio Takiguchi
30Patents
9h-index
23Co-inventors
75Inventor score
Filing activity: Jul 16, 1987 → Aug 11, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5124156A | Chewing gum for preventing pyorrhea alveolaris | Human Necessities | 25 | Expired |
| USD501021S1 | Image forming apparatus | General | 24 | Expired |
| US5022980A | System for determining concentration of an electrolyte | Physics | 19 | Expired |
| USD501022S1 | Image forming apparatus | General | 12 | Expired |
| US4797192A | Ion selective electrode apparatus with an earth electrode | Physics | 12 | Expired |
| USD630244S1 | Toner cartridge | General | 12 | Expired |
| USD636017S1 | Toner cartridge | General | 11 | Expired |
| USD712458S1 | Toner cartridge | General | 10 | Active |
| USD812680S1 | Toner cartridge | General | 9 | Active |
| US8634743B2 | Detachable body and image forming apparatus | Physics | 7 | Active |
| USD630243S1 | Toner cartridge | General | 6 | Expired |
| US6898380B2 | Memory chip, process cartridge and image forming apparatus | Physics | 4 | Expired |
| US8270872B2 | Image forming apparatus having a connecting mechanism between photoreceptor assembly and developing assembly | Physics | 4 | Active |
| USD712959S1 | Toner cartridge | General | 3 | Active |
| US8229331B2 | Image forming agent storage unit, method for filling image forming agent storage unit with image forming agent, and image forming apparatus | Physics | 2 | Active |
| USD630678S1 | Toner cartridge | General | 2 | Expired |
| US12164243B2 | Developing device and image forming apparatus | Physics | 0 | Active |
| US8953980B2 | Member mounting structure and image forming apparatus | Physics | 0 | Active |
| US11614705B2 | Mounting/demounting structure, apparatus using mounting/demounting structure, and mountable/demountable object | Physics | 0 | Active |
| USRE43579E1 | Memory chip, process cartridge and image forming apparatus | General | 0 | Active |
| US9869966B2 | Image forming apparatus and removable unit | Physics | 0 | Active |
| US8467707B2 | Image forming agent storage unit, method for filling image forming agent storage unit with image forming agent, and image forming apparatus | Physics | 0 | Active |
| US11442401B2 | Protection member, replacement component with protection member, and image forming apparatus | Physics | 0 | Active |
| US11841672B1 | Image forming apparatus | Physics | 0 | Active |
| US12298680B2 | Developer container and image forming apparatus | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.