Masami Maruko
21Patents
4h-index
22Co-inventors
63Inventor score
Filing activity: Oct 30, 1992 → Oct 24, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6671475B2 | Drive power transmission device, image forming apparatus and process cartridge | Physics | 26 | Expired |
| US5319428A | Color image forming apparatus | Physics | 10 | Expired |
| US7433623B2 | Image forming apparatus with two recording sheet cooling outlets | Physics | 5 | Expired |
| US7352979B2 | Image forming apparatus having a cooling section in a fixing apparatus | Physics | 4 | Expired |
| US8422928B2 | Fixing unit with auxiliary heating member and surface recovery member, and image forming apparatus | Physics | 2 | Active |
| US7953342B2 | Image forming apparatus | Physics | 2 | Active |
| US8447211B2 | Image forming apparatus, image fixing device and image forming system equipped therewith | Physics | 2 | Active |
| US7647006B2 | Image forming apparatus having endless belt | Physics | 2 | Active |
| US8768191B2 | Fixing device and image forming apparatus | Physics | 1 | Active |
| US8824950B2 | Image forming apparatus | Physics | 1 | Active |
| US8331841B2 | Fixing device and image forming apparatus | Physics | 1 | Active |
| US7130575B2 | Image forming apparatus | Physics | 1 | Expired |
| US7187898B2 | Image forming apparatus having a fixing device for fixing toner including wax on a transfer sheet | Physics | 1 | Expired |
| US8938191B2 | Image forming apparatus | Physics | 0 | Active |
| US9134666B2 | Fixing device and image forming apparatus | Physics | 0 | Active |
| US6690906B2 | Fixing apparatus and image forming apparatus | Physics | 0 | Expired |
| US8903291B2 | Fixing unit and image forming apparatus equipped therewith | Physics | 0 | Active |
| US8401413B2 | Image forming device having a moving section | Physics | 0 | Active |
| US9874844B2 | Image forming system and image forming apparatus | Physics | 0 | Active |
| US10527965B2 | Image forming apparatus | Physics | 0 | Active |
| US7546079B2 | Fixing apparatus and image forming apparatus including a contact type temperature sensor placed stably on a paper non-passing zone of a fixing member | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.