G03G 15/50
Machine control of apparatus for electrographic processes using a charge pattern
Official title: {Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control (sequencing control G03G21/14)}
G03G15/50 (Machine control of apparatus for electrographic processes using a charge pattern) appears on 11,769 US grants and 11,598 published applications in this corpus.
Search patents in G03G- Granted patents
- 11,769
- Published applications
- 11,598
- Assignees
- 424
- Inventors
- 13,067
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 13 | 0 |
| 1978 | 12 | 0 |
| 1979 | 13 | 0 |
| 1980 | 14 | 0 |
| 1981 | 23 | 0 |
| 1982 | 28 | 0 |
| 1983 | 25 | 0 |
| 1984 | 22 | 0 |
| 1985 | 44 | 0 |
| 1986 | 70 | 0 |
| 1987 | 97 | 0 |
| 1988 | 90 | 0 |
| 1989 | 125 | 0 |
| 1990 | 124 | 0 |
| 1991 | 150 | 0 |
| 1992 | 140 | 0 |
| 1993 | 135 | 0 |
| 1994 | 113 | 0 |
| 1995 | 99 | 0 |
| 1996 | 129 | 0 |
| 1997 | 82 | 0 |
| 1998 | 147 | 0 |
| 1999 | 142 | 0 |
| 2000 | 110 | 0 |
| 2001 | 102 | 53 |
| 2002 | 127 | 169 |
| 2003 | 121 | 173 |
| 2004 | 142 | 240 |
| 2005 | 171 | 343 |
| 2006 | 199 | 504 |
| 2007 | 258 | 556 |
| 2008 | 283 | 609 |
| 2009 | 288 | 622 |
| 2010 | 404 | 557 |
| 2011 | 491 | 645 |
| 2012 | 568 | 568 |
| 2013 | 642 | 522 |
| 2014 | 682 | 479 |
| 2015 | 690 | 516 |
| 2016 | 534 | 409 |
| 2017 | 403 | 505 |
| 2018 | 508 | 647 |
| 2019 | 627 | 545 |
| 2020 | 548 | 473 |
| 2021 | 395 | 437 |
| 2022 | 386 | 420 |
| 2023 | 369 | 408 |
| 2024 | 344 | 395 |
| 2025 | 295 | 464 |
| 2026 | 238 | 339 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G03G 15/5016User-machine interface2,212
- G03G 15/5075Remote control machines1,964
- G03G 15/5033By measuring the photoconductor characteristics1,855
- G03G 15/5054By measuring the characteristics of an intermediate image carrying member or the1,542
- G03G 15/5004Power supply control1,387
- G03G 15/5062By measuring the characteristics of an image on the copy material1,176
- G03G 15/5029By measuring the copy material characteristics833
- G03G 15/5008Driving control for rotary photosensitive medium711
Recent patents
- Light emitting members6 Oct 2026US 12,754,493 B2Hewlett-Packard Development Company, L. P.
- Power supply device provided in image formation device6 Oct 2026US 12,754,501 B2Nichicon Corporation
- Image forming apparatus6 Oct 2026US 12,754,502 B2KYOCERA Document Solutions Inc.
- Image forming apparatus6 Oct 2026US 12,754,503 B2Canon Kabushiki Kaisha
- Image forming system for inspecting a printed image6 Oct 2026US 12,754,504 B2Canon Kabushiki Kaisha
- Image forming apparatus8 Oct 2026US 2026/0310117 A1Canon Kabushiki Kaisha
- Image forming apparatus8 Oct 2026US 2026/0310118 A1Canon Kabushiki Kaisha
- Sheet conveyance apparatus and image forming apparatus8 Oct 2026US 2026/0310121 A1Konica Minolta, Inc.
- Image forming device including switch switching according to whether fixing device is mounted or removed8 Oct 2026US 2026/0310122 A1Brother Kogyo Kabushiki Kaisha
- Image forming system, color measurement control method, and storage medium8 Oct 2026US 2026/0310123 A1Konica Minolta, Inc.
Most cited
By later US patents
- Distributed printing448US 5,287,194 AXerox Corporation · 1994
- Method and system for remote diagnostic, control and information collection based on various communication modes for sending messages to users376US 6,581,092 B1Ricoh Company, Ltd. · 2003
- Touch screen user interface with expanding touch locations for a reprographic machine354US 5,119,079 AXerox Corporation · 1992
- Method of calibrating a spatial light modulator printing system280US 5,842,088 ATexas Instruments Incorporated · 1998
- Confidential document reproduction method and apparatus265US 4,739,377 AEastman Kodak Company · 1988