Norio Kubo
22Patents
3h-index
30Co-inventors
63Inventor score
Filing activity: Dec 27, 1994 → Jan 27, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5750301A | Toner for a two-component type developer | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8649708B2 | Developing apparatus and image forming apparatus including the same | Physics | 5 | Active |
| US7917046B2 | Development device and image forming apparatus provided therewith | Physics | 3 | Active |
| US11112722B1 | Image forming apparatus | Physics | 2 | Active |
| US8559854B2 | Developing device and image forming apparatus including the same | Physics | 2 | Active |
| US9207583B1 | Developing device and image forming apparatus provided with same | Physics | 2 | Active |
| US8346137B2 | Developing device and image-forming apparatus provided therewith | Physics | 1 | Active |
| US9829829B2 | Developing device and image forming apparatus provided with same | Physics | 1 | Active |
| US9535356B2 | Image forming apparatus having a function to apply charge removal light to photosensitive member | Physics | 1 | Active |
| US8781371B2 | Stir-transport member, development device provided therewith, and image forming apparatus | Physics | 1 | Active |
| US8892006B2 | Developing device and image forming apparatus including the same | Physics | 1 | Active |
| US8744318B2 | Developing device and image forming apparatus including the same | Physics | 0 | Active |
| US9372443B2 | Developing device and image forming apparatus including same | Physics | 0 | Active |
| US10345741B2 | Developing device and image forming apparatus including same | Physics | 0 | Active |
| US11714366B2 | Image forming apparatus | Physics | 0 | Active |
| US7455946B2 | Two component developing agent | Physics | 0 | Active |
| US11314183B2 | Developing device and image forming apparatus therewith | Physics | 0 | Active |
| US5580691A | Toner for a two-component type developer | Emerging Cross-Sectional Technologies | 0 | Expired |
| US11048192B1 | Image forming apparatus capable of suppressing occurrence of image defects in response to difference in carrier resistance and obtaining high image quality | Physics | 0 | Active |
| US11163243B2 | Image forming apparatus | Physics | 0 | Active |
| US11209752B2 | Developing device and image forming apparatus therewith | Physics | 0 | Active |
| US12044995B2 | Image forming apparatus capable of determining failure timing of a gear used therein, and determining method of the failure timing | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.