Daisuke Abe
110Patents
21h-index
116Co-inventors
93Inventor score
Filing activity: Dec 23, 1982 → Jun 11, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6934485B2 | Process cartridge, electrophotographic image forming apparatus and fixing method of electrical contact part | Physics | 227 | Expired |
| US4872091A | Memory cartridge | Electricity | 115 | Expired |
| US6334035A | Developer container and cartridge | Physics | 65 | Expired |
| US6823155B2 | Process cartridge and image forming apparatus | Physics | 65 | Expired |
| US8472840B2 | Process cartridge with drum flange having regulated portions | Physics | 62 | Active |
| US6993264B2 | Process cartridge and electrophotographic image forming apparatus | Physics | 51 | Expired |
| US6377759B1 | Process cartridge, electrophotographic image forming apparatus and developer amount detecting member | Physics | 49 | Expired |
| US7203442B2 | Image forming apparatus, unit mountable thereto and separating member | Physics | 48 | Expired |
| US7781964B2 | Organic electroluminescent device and electronic apparatus | Electricity | 47 | Active |
| US6535699B1 | Developer container, developer amount detecting system, process cartridge, developing device, and image forming apparatus | Physics | 46 | Expired |
| US8135304B2 | Process cartridge having regulating portions and an inclineable coupling member | Physics | 39 | Active |
| US6473585B2 | Developer accommodating container, and developing device | Physics | 37 | Expired |
| US6463225B1 | Developing apparatus, process cartridge, feeding member and an elastic sheet | Physics | 35 | Expired |
| US7162176B2 | Process cartridge and electrophotographic image forming apparatus | Physics | 35 | Expired |
| USD632731S1 | Process cartridge | General | 31 | Expired |
| US7315706B2 | Process cartridge and electrophotographic image forming apparatus | Physics | 30 | Active |
| USD614691S1 | Process cartridge | General | 29 | Expired |
| US8139972B2 | Process cartridge and electrophotographic image forming apparatus | Physics | 25 | Active |
| US7242885B2 | Process cartridge and image forming apparatus | Physics | 23 | Expired |
| US6505008B2 | Developer container, process cartridge, developing device, and image forming apparatus with toner sensor wiping member orientation | Physics | 21 | Expired |
| USD565094S1 | Image forming apparatus | General | 21 | Expired |
| US8763542B2 | Sewing machine and non-transitory computer-readable medium | Textiles; Paper | 19 | Active |
| US4449151A | Solid-state scanning apparatus | Electricity | 19 | Expired |
| US10671013B2 | Drum unit, cartridge, electrophotographic image forming apparatus and coupling member | Physics | 14 | Active |
| US8857355B2 | Sewing machine and non-transitory computer readable storage medium storing program | Textiles; Paper | 8 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.