Referenziert von|
| US4025339 | 13. Juli 1976 | 24. Mai 1977 | Coulter Information Systems, Inc. | Electrophotographic film, method of making the same and photoconductive coating used therewith | | US4228231 | 31. Okt. 1977 | 14. Okt. 1980 | Eastman Kodak Company | Color electrophotographic process, apparatus and recording element useful therein | | US4250239 | 5. Juni 1978 | 10. Febr. 1981 | Ricoh Company, Ltd. | Color electrostatographic process and material | | US4281051 | 23. Nov. 1979 | 28. Juli 1981 | Ricoh Company, Ltd. | Three color electrostatographic process | | US4310610 | 25. Apr. 1979 | 12. Jan. 1982 | Ricoh Company, Ltd. | Two color electrostatographic process | | US4335194 | 15. Febr. 1979 | 15. Juni 1982 | Ricoh Company, Ltd. | Two color electrophotographic process and material | | US4407917 | 22. Aug. 1979 | 4. Okt. 1983 | Ricoh Company, Ltd. | Information image synthesizing and copying method |
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