G03G 15/0822
Arrangements for preparing, mixing, supplying or dispensing developer
Official title: {Arrangements for preparing, mixing, supplying or dispensing developer}
G03G15/0822 (Arrangements for preparing, mixing, supplying or dispensing developer) appears on 9,149 US grants and 8,163 published applications in this corpus.
Search patents in G03G- Granted patents
- 9,149
- Published applications
- 8,163
- Assignees
- 371
- Inventors
- 7,679
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 29 | 0 |
| 1977 | 25 | 0 |
| 1978 | 17 | 0 |
| 1979 | 17 | 0 |
| 1980 | 23 | 0 |
| 1981 | 29 | 0 |
| 1982 | 27 | 0 |
| 1983 | 25 | 0 |
| 1984 | 34 | 0 |
| 1985 | 41 | 0 |
| 1986 | 53 | 0 |
| 1987 | 42 | 0 |
| 1988 | 37 | 0 |
| 1989 | 54 | 0 |
| 1990 | 91 | 0 |
| 1991 | 95 | 0 |
| 1992 | 89 | 0 |
| 1993 | 103 | 0 |
| 1994 | 77 | 0 |
| 1995 | 72 | 0 |
| 1996 | 120 | 0 |
| 1997 | 91 | 0 |
| 1998 | 143 | 0 |
| 1999 | 126 | 0 |
| 2000 | 105 | 0 |
| 2001 | 115 | 57 |
| 2002 | 126 | 115 |
| 2003 | 141 | 132 |
| 2004 | 100 | 193 |
| 2005 | 123 | 229 |
| 2006 | 193 | 263 |
| 2007 | 197 | 317 |
| 2008 | 193 | 342 |
| 2009 | 201 | 384 |
| 2010 | 321 | 278 |
| 2011 | 318 | 344 |
| 2012 | 347 | 323 |
| 2013 | 317 | 335 |
| 2014 | 413 | 383 |
| 2015 | 493 | 385 |
| 2016 | 493 | 401 |
| 2017 | 369 | 456 |
| 2018 | 444 | 460 |
| 2019 | 482 | 377 |
| 2020 | 424 | 411 |
| 2021 | 367 | 471 |
| 2022 | 382 | 351 |
| 2023 | 313 | 335 |
| 2024 | 260 | 306 |
| 2025 | 281 | 317 |
| 2026 | 171 | 198 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G03G 15/0865Arrangements for supplying new developer4,512
- G03G 15/0877Arrangements for metering and dispensing developer from a developer cartridge into the3,370
- G03G 15/0848Arrangements for testing or measuring developer properties or quality2,992
- G03G 15/0887Arrangements for conveying and conditioning developer in the developing unit2,106
- G03G 15/0863Provided with identifying means or means for storing process- or use parameters1,249
- G03G 15/0844Arrangements for purging used developer from the developing unit269
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 apparatus including toner conveyance detection portion detecting toner conveyance error in toner conveyance29 Sep 2026US 12,748,364 B2KYOCERA Document Solutions Inc.
- Developing device including spiral blade for conveying developer while rotating and image forming apparatus22 Sep 2026US 12,743,039 B2KYOCERA Document Solutions Inc.
- 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.
- Image forming apparatus1 Oct 2026US 2026/0299462 A1
- Developing cartridge including holder holding electrical contact surface and supported by gear cover1 Oct 2026US 2026/0299463 A1Brother Kogyo Kabushiki Kaisha
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
- Developer feeding member, developing apparatus, process cartridge and developer feeding member mounting method184US 7,224,925 B2Canon Kabushiki Kaisha · 2007