G03G 15/5033
By measuring the photoconductor characteristics
Official title: {by measuring the photoconductor characteristics, e.g. temperature, or the characteristics of an image on the photoconductor}
G03G15/5033 (By measuring the photoconductor characteristics) appears on 1,855 US grants and 1,402 published applications in this corpus.
Search patents in G03G- Granted patents
- 1,855
- Published applications
- 1,402
- Assignees
- 118
- Inventors
- 2,751
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 8 | 0 |
| 1982 | 13 | 0 |
| 1983 | 10 | 0 |
| 1984 | 4 | 0 |
| 1985 | 16 | 0 |
| 1986 | 21 | 0 |
| 1987 | 18 | 0 |
| 1988 | 8 | 0 |
| 1989 | 24 | 0 |
| 1990 | 24 | 0 |
| 1991 | 36 | 0 |
| 1992 | 35 | 0 |
| 1993 | 45 | 0 |
| 1994 | 33 | 0 |
| 1995 | 39 | 0 |
| 1996 | 42 | 0 |
| 1997 | 26 | 0 |
| 1998 | 44 | 0 |
| 1999 | 45 | 0 |
| 2000 | 26 | 0 |
| 2001 | 21 | 9 |
| 2002 | 25 | 25 |
| 2003 | 26 | 18 |
| 2004 | 20 | 28 |
| 2005 | 18 | 34 |
| 2006 | 32 | 59 |
| 2007 | 40 | 49 |
| 2008 | 29 | 63 |
| 2009 | 45 | 43 |
| 2010 | 54 | 61 |
| 2011 | 53 | 58 |
| 2012 | 57 | 51 |
| 2013 | 50 | 64 |
| 2014 | 67 | 49 |
| 2015 | 79 | 62 |
| 2016 | 62 | 49 |
| 2017 | 51 | 59 |
| 2018 | 67 | 71 |
| 2019 | 88 | 83 |
| 2020 | 81 | 66 |
| 2021 | 56 | 68 |
| 2022 | 62 | 83 |
| 2023 | 73 | 88 |
| 2024 | 75 | 71 |
| 2025 | 50 | 61 |
| 2026 | 40 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Light emitting members6 Oct 2026US 12,754,493 B2Hewlett-Packard Development Company, L. P.
- Image forming apparatus that charges an image bearing member using a voltage set according to an environmental temperature22 Sep 2026US 12,743,038 B2Canon Kabushiki Kaisha
- Exposure apparatus and image-forming apparatus8 Sep 2026US 12,730,391 B2Canon Kabushiki Kaisha
- Image forming apparatus controlling pre-exposure of photosensitive drum8 Sep 2026US 12,730,392 B2Canon Kabushiki Kaisha
- Image forming apparatus having a connector including a terminal that does not contact any terminal of an attached fixing apparatus8 Sep 2026US 12,730,397 B2Canon Kabushiki Kaisha
- Image forming apparatus8 Oct 2026US 2026/0310118 A1Canon Kabushiki Kaisha
- Apparatus1 Oct 2026US 2026/0299478 A1FUJIFILM Business Innovation Corp.
- Image forming apparatus executing calibrations, control method, and storage medium17 Sep 2026US 2026/0274601 A1Canon Kabushiki Kaisha
- Photoconductive sleeve supports3 Sep 2026US 2026/0259527 A1Hewlett-Packard Development Company, L. P.
- Image forming apparatus20 Aug 2026US 2026/0244131 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Method of calibrating a spatial light modulator printing system280US 5,842,088 ATexas Instruments Incorporated · 1998
- Process cartridge and electrophotographic image forming apparatus194US 5,946,531 ACanon Kabushiki Kaisha · 1999
- Electrophotographic printing subsystem with self-monitoring and adjustment92US 5,797,060 AAgfa-Gevaert · 1998
- Printing system with self-monitoring and adjustment86US 5,673,106 AAgfa-Gevaert · 1997
- Infrared reflectance densitometer84US 4,553,033 AXerox Corporation · 1985