Akihiko Itami
65Patents
9h-index
55Co-inventors
81Inventor score
Filing activity: Nov 6, 1989 → Mar 20, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6258499A | Electrophotographic photoreceptor, an image forming method, an image forming apparatus, and an apparatus unit | Physics | 21 | Expired |
| US6203962A | Electrophotographic image forming method, electrophotographic image forming apparatus, and processing cartridge and electrophotographic photoreceptor used therein | Physics | 20 | Expired |
| US6143452A | Electrophotographic photoreceptor | Physics | 17 | Expired |
| US5039586A | Electrophotographic photoreceptor | Chemistry; Metallurgy | 16 | Expired |
| US4994339A | Electrophotographic photoreceptor using titanyl phthalocyanine | Physics | 14 | Expired |
| US6265122A | Electrophotographic photoreceptor and an image forming apparatus and a process cartridge using the same | Physics | 12 | Expired |
| US6489069B1 | Electrophotographic image carrier and image forming apparatus, image forming method and processing cartridge using it | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5679488A | Electrophotography photoreceptor | Physics | 11 | Expired |
| US7022450B2 | Image forming method and image forming apparatus | Physics | 9 | Expired |
| US6479202B2 | Electrophotographic photoreceptor, electrophotographic image forming method, electrophotographic image forming apparatus and processing cartridge | Physics | 9 | Expired |
| US5234785A | Electrophotographic photoreceptor and manufacturing method thereof | Physics | 9 | Expired |
| US5354635A | Electrophotographic photoreceptor comprising mixed crystals of titanylphthalocyanine and vanadylphthalocyanine | Physics | 9 | Expired |
| US6689522B2 | Image forming method and electrostatic image developing toner | Physics | 8 | Expired |
| US6442367B1 | Electrophotographic image forming method, electrophotographic image forming apparatus, and processing cartridge | Physics | 8 | Expired |
| US5753395A | Electrophotographic photoreceptor | Physics | 8 | Expired |
| US6797444B2 | Electrophotographic photoreceptor and production method of the same | Physics | 8 | Expired |
| US7943848B2 | Photoelectric conversion element, method of manufacturing the same and solar cell | Emerging Cross-Sectional Technologies | 7 | Active |
| US5721085A | Electrophotographic image forming method | Physics | 7 | Expired |
| US7947898B2 | Photoelectric conversion element and solar cell | Emerging Cross-Sectional Technologies | 6 | Active |
| US6461780B2 | Electrophotographic photoreceptor, image forming method, image forming apparatus, and processing cartridge | Physics | 6 | Expired |
| US6497984B2 | Image forming method and image forming apparatus | Physics | 6 | Expired |
| US6403270B2 | Electrophotographic photoreceptor, electrophotographic image forming method, electrophotographic image forming apparatus, and processing cartridge | Physics | 6 | Expired |
| US6383700B1 | Image forming method, image forming apparatus, and developer material used in said apparatus | Physics | 5 | Expired |
| US8039741B2 | Photoelectric conversion element and solar cell | Emerging Cross-Sectional Technologies | 5 | Active |
| US6406825B1 | Electrophotographic photoreceptor | Physics | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.