|
| US4032924 | 30. Okt. 1975 | 28. Juni 1977 | Nippon Telegraph and Telephone Public Corporation Sharp Kabushiki Kaisha | Distortion reduction in ink jet system printer |
| US4080606 | 5. Mai 1976 | 21. März 1978 | Hitachi, Ltd. | Ink jet printer |
| US4086601 | 24. Mai 1976 | 25. Apr. 1978 | International Business Machines Corporation | Sequential ink jet printing system with variable number of guard drops |
| US4157551 | 10. Mai 1977 | 5. Juni 1979 | Nippon Telegraph and Telephone Public Corporation Sharp Kabushiki Kaisha | Distortion reduction in ink jet system printer |
| US4217595 | 25. Apr. 1979 | 12. Aug. 1980 | Ricoh Company, Ltd. | Charging phase control device for ink jet recording device |
| US4427986 | 1. Febr. 1982 | 24. Jan. 1984 | Fuji Xerox Co., Ltd. | Method of charging jetted ink drops |
| US4430656 | 18. Dez. 1981 | 7. Febr. 1984 | Hitachi, Ltd. | Method for reducing print distortion of ink drop writing apparatus |
| US4490729 | 15. Sept. 1982 | 25. Dez. 1984 | The Mead Corporation | Ink jet printer |
| US4491852 | 30. Juni 1983 | 1. Jan. 1985 | Ricoh Company, Ltd. | Ink jet printing apparatus using guard drops |
| US4613871 | 12. Nov. 1985 | 23. Sept. 1986 | Eastman Kodak Company | Guard drops in an ink jet printer |
| US4849909 | 7. Nov. 1985 | 18. Juli 1989 | Hitachi, Ltd. Hitachi Seiko, Ltd. | Ink-jet recording device |