G03G 13/056
Electrographic processes using a charge pattern: using internal polarisation
Official title: using internal polarisation
G03G13/056 (Electrographic processes using a charge pattern: using internal polarisation) appears on 12 US grants and 0 published applications in this corpus.
Search patents in G03G- Granted patents
- 12
- Published applications
- 0
- Assignees
- 7
- Inventors
- 20
- Latest grant
- 9 Nov 1999
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Medium for recording information on ferroelectric material using polarization9 Nov 1999US 5,981,042 AFuji Photo Film Co., Ltd.
- Process for the formation of images on printing form having ferroelectric material layer4 May 1999US 5,900,341 AMAN Roland Druckmaschinen AG
- Method of recording information on ferroelectric material using polarization4 Nov 1997US 5,684,522 AFuji Photo Film Co., Ltd.
- Reversible or irreversible production of an image23 Jul 1996US 5,538,824 ABASF SE
- Reversible or irreversible production of an image23 May 1995US 5,418,555 ABASF SE
No published applications in this class yet.
Most cited
By later US patents
- Electrophotographic copying apparatus4US 3,989,364 AHitachi, Ltd. · 1976
- Electrophotographic process with a.c. charger producing greater positive charge4US 4,526,848 AOlympus Optical Co., Ltd. · 1985
- Electrophotographic process capable of image overlay and apparatus therefor2US 4,469,767 ACanon Kabushiki Kaisha · 1984
- Electrophotographic copying process2US 4,565,436 AOlympus Optical Co., Ltd. · 1986
- Reversible or irreversible production of an image2US 5,312,703 ABASF SE · 1994