G03G 15/20
Apparatus for electrographic processes using a charge pattern: for fixing
Official title: for fixing, e.g. by using heat
G03G15/20 (Apparatus for electrographic processes using a charge pattern: for fixing) appears on 11,282 US grants and 10,122 published applications in this corpus.
Search patents in G03G- Granted patents
- 11,282
- Published applications
- 10,122
- Assignees
- 502
- Inventors
- 9,392
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 82 | 0 |
| 1977 | 65 | 0 |
| 1978 | 53 | 0 |
| 1979 | 36 | 0 |
| 1980 | 37 | 0 |
| 1981 | 37 | 0 |
| 1982 | 41 | 0 |
| 1983 | 45 | 0 |
| 1984 | 46 | 0 |
| 1985 | 59 | 0 |
| 1986 | 47 | 0 |
| 1987 | 42 | 0 |
| 1988 | 58 | 0 |
| 1989 | 68 | 0 |
| 1990 | 88 | 0 |
| 1991 | 79 | 0 |
| 1992 | 102 | 0 |
| 1993 | 116 | 0 |
| 1994 | 153 | 0 |
| 1995 | 106 | 0 |
| 1996 | 141 | 0 |
| 1997 | 112 | 0 |
| 1998 | 228 | 0 |
| 1999 | 201 | 0 |
| 2000 | 197 | 0 |
| 2001 | 176 | 45 |
| 2002 | 187 | 249 |
| 2003 | 223 | 245 |
| 2004 | 193 | 312 |
| 2005 | 200 | 363 |
| 2006 | 277 | 398 |
| 2007 | 274 | 429 |
| 2008 | 284 | 410 |
| 2009 | 267 | 415 |
| 2010 | 342 | 412 |
| 2011 | 347 | 573 |
| 2012 | 393 | 484 |
| 2013 | 458 | 484 |
| 2014 | 584 | 527 |
| 2015 | 683 | 493 |
| 2016 | 683 | 464 |
| 2017 | 384 | 460 |
| 2018 | 390 | 450 |
| 2019 | 489 | 420 |
| 2020 | 435 | 460 |
| 2021 | 379 | 395 |
| 2022 | 321 | 384 |
| 2023 | 318 | 365 |
| 2024 | 323 | 340 |
| 2025 | 258 | 313 |
| 2026 | 175 | 232 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Belt transport device, fixing device, and image forming apparatus6 Oct 2026US 12,754,497 B2FUJIFILM Business Innovation Corp.
- Image forming apparatus that controls heater of fixing device, according to size of recording sheet6 Oct 2026US 12,754,498 B2KYOCERA Document Solutions Inc.
- Image forming apparatus6 Oct 2026US 12,754,499 B2Sharp Kabushiki Kaisha
- Heater including heat generating pattern and electrode having connector therebetween6 Oct 2026US 12,754,500 B2Hewlett-Packard Development Company, L. P.
- Power supply device provided in image formation device6 Oct 2026US 12,754,501 B2Nichicon Corporation
- Fixing apparatus and image forming apparatus8 Oct 2026US 2026/0310119 A1Canon Kabushiki Kaisha
- Image heating device and image forming apparatus8 Oct 2026US 2026/0310120 A1Canon Kabushiki Kaisha
- Information processing system, non-transitory computer readable medium storing information processing program, and information processing method8 Oct 2026US 2026/0310125 A1FUJIFILM Business Innovation Corp.
- Digitally printed and produced heat transfer and method of manufacture1 Oct 2026US 2026/0299467 A1Avery Dennison Retail Information Services LLC
- Heating apparatus and image forming apparatus1 Oct 2026US 2026/0299468 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Electrophoretic displays using nanoparticles501US 6,323,989 B1E Ink Corporation · 2001
- Dual roller apparatus for pressure fixing sheet material205US 5,195,430 ATektronix, Inc. · 1993
- Metal filled, multi-layered elastomer fuser member193US 4,257,699 AXerox Corporation · 1981
- Heating apparatus using endless film137US 5,525,775 ACanon Kabushiki Kaisha · 1996
- Metal-filled elastomer fuser member134US 4,272,179 AXerox Corporation · 1981