Hideki Maeshima
73Patents
21h-index
43Co-inventors
88Inventor score
Filing activity: Dec 27, 2002 → Jul 16, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6980758B2 | Process cartridge, mounting mechanism therefor and electrophotographic image forming apparatus | Physics | 128 | Expired |
| US7158735B2 | Process cartridge, mounting method of electrophotographic photosensitive drum and replacing method of the photosensitive drum | Physics | 122 | Expired |
| US6947686B2 | Process cartridge and spacer for same | Physics | 76 | Expired |
| US7127194B2 | Process cartridge, positioning mechanism therefor and electrophotographic image forming apparatus | Physics | 76 | Expired |
| US7072603B2 | Process cartridge and holding member | Physics | 75 | Expired |
| US7088939B2 | Process cartridge and electrophotographic image forming apparatus | Physics | 68 | Expired |
| US7072594B2 | Developing apparatus, process cartridge, and image forming apparatus | Physics | 68 | Expired |
| US6968142B2 | Process cartridge and image forming apparatus | Physics | 67 | Expired |
| US7162181B2 | Remanufacturing method for process cartridge | Emerging Cross-Sectional Technologies | 59 | Expired |
| US7813671B2 | Process cartridge and electrophotographic image forming apparatus | Physics | 58 | Active |
| US7046942B2 | Process cartridge and image forming apparatus | Physics | 57 | Expired |
| US8369743B2 | Process cartridge and electrophotographic image forming apparatus | Physics | 55 | Active |
| US8213828B2 | Electrophotographic image forming apparatus and process cartridge mounted thereto having contacts electrically connecting with an electrical contact | Physics | 50 | Active |
| US8565639B2 | Process cartridge and image forming apparatus | Physics | 49 | Active |
| US7340197B2 | Process cartridge, mounting mechanism therefor and electrophotographic image forming apparatus | Physics | 46 | Expired |
| US7349649B2 | Process cartridge, positioning mechanism therefor and electrophotographic image forming apparatus | Physics | 44 | Active |
| USD519150S1 | Image forming apparatus | General | 41 | Expired |
| US8688003B2 | Process cartridge and electrophotographic image forming apparatus | Physics | 32 | Active |
| US8583006B2 | Electrophotographic image forming apparatus and process cartridge with electrical contacts that urge developer roller to photosensitive drum | Physics | 29 | Active |
| US7092657B2 | Electrophotographic image forming apparatus, and process cartridge | Physics | 28 | Expired |
| USD587304S1 | Toner cartridge | General | 27 | Expired |
| US9063501B2 | Developer accommodating unit with light guide member for detecting remaining toner amount | Physics | 19 | Active |
| US7466939B2 | Electrophotographic image forming apparatus to which a plurality of process cartridges are detachably mountable by using a moving guide and an opening and closing member | Physics | 16 | Active |
| US9880517B2 | Process cartridge and image forming apparatus | Physics | 13 | Active |
| US9632479B2 | Process cartridge and image forming apparatus | Physics | 9 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.