G03G 15/06
Apparatus for electrographic processes using a charge pattern: for developing
Official title: for developing
G03G15/06 (Apparatus for electrographic processes using a charge pattern: for developing) appears on 16,900 US grants and 13,505 published applications in this corpus.
Search patents in G03G- Granted patents
- 16,900
- Published applications
- 13,505
- Assignees
- 695
- Inventors
- 13,390
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 138 | 0 |
| 1977 | 108 | 0 |
| 1978 | 90 | 0 |
| 1979 | 75 | 0 |
| 1980 | 86 | 0 |
| 1981 | 119 | 0 |
| 1982 | 89 | 0 |
| 1983 | 97 | 0 |
| 1984 | 103 | 0 |
| 1985 | 121 | 0 |
| 1986 | 146 | 0 |
| 1987 | 139 | 0 |
| 1988 | 123 | 0 |
| 1989 | 181 | 0 |
| 1990 | 204 | 0 |
| 1991 | 238 | 0 |
| 1992 | 212 | 0 |
| 1993 | 219 | 0 |
| 1994 | 187 | 0 |
| 1995 | 189 | 0 |
| 1996 | 266 | 0 |
| 1997 | 229 | 0 |
| 1998 | 348 | 0 |
| 1999 | 347 | 0 |
| 2000 | 329 | 0 |
| 2001 | 303 | 120 |
| 2002 | 308 | 270 |
| 2003 | 282 | 296 |
| 2004 | 260 | 393 |
| 2005 | 252 | 452 |
| 2006 | 359 | 530 |
| 2007 | 367 | 577 |
| 2008 | 346 | 635 |
| 2009 | 355 | 731 |
| 2010 | 554 | 556 |
| 2011 | 639 | 619 |
| 2012 | 604 | 552 |
| 2013 | 577 | 602 |
| 2014 | 683 | 593 |
| 2015 | 784 | 638 |
| 2016 | 745 | 587 |
| 2017 | 559 | 661 |
| 2018 | 637 | 647 |
| 2019 | 703 | 606 |
| 2020 | 662 | 648 |
| 2021 | 553 | 649 |
| 2022 | 537 | 528 |
| 2023 | 446 | 467 |
| 2024 | 389 | 432 |
| 2025 | 376 | 429 |
| 2026 | 237 | 287 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Toner, toner production method, and image-forming method6 Oct 2026US 12,754,489 B2Canon Kabushiki Kaisha
- Carrier core material and electrophotographic development carrier using same and electrophotographic developer6 Oct 2026US 12,754,491 B2Dowa Electronics Materials Co., Ltd.
- Developing cartridge6 Oct 2026US 12,754,494 B2Brother Kogyo Kabushiki Kaisha
- Image forming apparatus29 Sep 2026US 12,748,361 B2Canon Kabushiki Kaisha
- Roller driving apparatus used in image forming apparatus29 Sep 2026US 12,748,363 B2Canon Kabushiki Kaisha
- Sleeve, developer carrying member, and developing device8 Oct 2026US 2026/0310116 A1Canon Kabushiki Kaisha
- Image forming apparatus8 Oct 2026US 2026/0310117 A1Canon Kabushiki Kaisha
- Electrostatic charge image developing toner set, electrostatic charge image developer set, toner cartridge set, process cartridge, and image forming apparatus1 Oct 2026US 2026/0299451 A1FUJIFILM Business Innovation Corp.
- Developing device and image forming apparatus1 Oct 2026US 2026/0299460 A1FUJIFILM Business Innovation Corp.
- Developing device and image forming apparatus1 Oct 2026US 2026/0299461 A1FUJIFILM Business Innovation Corp.
Most cited
By later US patents
- Replaceable part with integral memory for usage, calibration and other data311US 5,835,817 AHewlett-Packard Company · 1998
- Arrangement for printer equipment for monitoring reservoirs that contain printing medium284US 5,365,312 AMannesmann Aktiengesellschaft · 1994
- Method of calibrating a spatial light modulator printing system280US 5,842,088 ATexas Instruments Incorporated · 1998
- Replaceable part with integral memory for usage, calibration and other data276US 5,699,091 AHewlett-Packard Company · 1997
- Process cartridge and electrophotographic image forming apparatus255US 5,920,753 ACanon Kabushiki Kaisha · 1999