G03G 15/22
Involving the combination of more than one step according to groups g03g13/02
Official title: involving the combination of more than one step according to groups G03G13/02 - G03G13/20 (G03G15/01 takes precedence)
G03G15/22 (Involving the combination of more than one step according to groups g03g13/02) appears on 4,555 US grants and 2,496 published applications in this corpus.
Search patents in G03G- Granted patents
- 4,555
- Published applications
- 2,496
- Assignees
- 457
- Inventors
- 6,723
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 104 | 0 |
| 1977 | 73 | 0 |
| 1978 | 69 | 0 |
| 1979 | 57 | 0 |
| 1980 | 64 | 0 |
| 1981 | 67 | 0 |
| 1982 | 67 | 0 |
| 1983 | 56 | 0 |
| 1984 | 69 | 0 |
| 1985 | 67 | 0 |
| 1986 | 66 | 0 |
| 1987 | 106 | 0 |
| 1988 | 121 | 0 |
| 1989 | 141 | 0 |
| 1990 | 141 | 0 |
| 1991 | 136 | 0 |
| 1992 | 144 | 0 |
| 1993 | 112 | 0 |
| 1994 | 101 | 0 |
| 1995 | 83 | 0 |
| 1996 | 100 | 0 |
| 1997 | 91 | 0 |
| 1998 | 130 | 0 |
| 1999 | 123 | 0 |
| 2000 | 104 | 0 |
| 2001 | 102 | 24 |
| 2002 | 86 | 61 |
| 2003 | 63 | 71 |
| 2004 | 63 | 63 |
| 2005 | 43 | 58 |
| 2006 | 44 | 115 |
| 2007 | 43 | 111 |
| 2008 | 57 | 164 |
| 2009 | 72 | 185 |
| 2010 | 118 | 212 |
| 2011 | 120 | 191 |
| 2012 | 165 | 119 |
| 2013 | 168 | 102 |
| 2014 | 170 | 77 |
| 2015 | 100 | 87 |
| 2016 | 84 | 83 |
| 2017 | 72 | 131 |
| 2018 | 98 | 96 |
| 2019 | 100 | 83 |
| 2020 | 83 | 108 |
| 2021 | 73 | 79 |
| 2022 | 78 | 58 |
| 2023 | 53 | 57 |
| 2024 | 58 | 44 |
| 2025 | 30 | 59 |
| 2026 | 20 | 58 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G03G 15/23Specially adapted for copying both sides of an original or for copying1,819
- G03G 15/32In which the charge pattern is formed dotwise903
- G03G 15/221Machines other than electrographic copiers628
- G03G 15/34In which the powder image is formed directly on the recording material524
- G03G 15/28In which projection is obtained by line scanning345
- G03G 15/24Whereby at least two steps are performed simultaneously130
- G03G 15/225Using contact-printing96
- G03G 15/228The process involving the formation of a master94
Recent patents
- Image forming apparatus for adjusting position and size of image1 Sep 2026US 12,724,373 B2Canon Kabushiki Kaisha
- Sheet conveyance apparatus, image reading apparatus, and image forming apparatus1 Sep 2026US 12,726,576 B2Canon Kabushiki Kaisha
- Image forming apparatus and sheet bonding apparatus25 Aug 2026US 12,717,262 B2Canon Kabushiki Kaisha
- Printing system that includes a static elimination device, control method for printing system, and storage medium25 Aug 2026US 12,717,267 B2Canon Kabushiki Kaisha
- Sheet conveyance apparatus, image reading apparatus, and image forming apparatus18 Aug 2026US 12,709,507 B2Canon Kabushiki Kaisha
- Sheet conveyance apparatus and image forming apparatus8 Oct 2026US 2026/0310121 A1Konica Minolta, Inc.
- Image forming apparatus, control method for the same, and medium1 Oct 2026US 2026/0299496 A1Brother Kogyo Kabushiki Kaisha
- Image forming apparatus24 Sep 2026US 2026/0288030 A1Canon Kabushiki Kaisha
- Image forming apparatus24 Sep 2026US 2026/0288047 A1Canon Kabushiki Kaisha
- Document reader and image forming system24 Sep 2026US 2026/0292084 A1FUJIFILM Business Innovation Corp.
Most cited
By later US patents
- Three dimensional modelling apparatus343US 4,961,154 AScitex Corporation Ltd. · 1990
- Method of calibrating a spatial light modulator printing system280US 5,842,088 ATexas Instruments Incorporated · 1998
- Manual copying apparatus218US 4,868,676 AShapr Kabushiki Kaisha · 1989
- Image recording apparatus197US 5,208,640 AFuji Xerox Co., Ltd. · 1993
- Electronic display devices and methods195US 6,859,218 B1Hewlett-Packard Development Company, L. P. · 2005