G03G 15/5004
Power supply control
Official title: {Power supply control, e.g. power-saving mode, automatic power turn-off}
G03G15/5004 (Power supply control) appears on 1,387 US grants and 1,585 published applications in this corpus.
Search patents in G03G- Granted patents
- 1,387
- Published applications
- 1,585
- Assignees
- 91
- Inventors
- 2,139
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 9 | 0 |
| 2000 | 8 | 0 |
| 2001 | 9 | 3 |
| 2002 | 10 | 11 |
| 2003 | 6 | 7 |
| 2004 | 10 | 17 |
| 2005 | 9 | 33 |
| 2006 | 15 | 37 |
| 2007 | 24 | 73 |
| 2008 | 32 | 72 |
| 2009 | 34 | 74 |
| 2010 | 42 | 73 |
| 2011 | 59 | 99 |
| 2012 | 68 | 98 |
| 2013 | 89 | 85 |
| 2014 | 109 | 81 |
| 2015 | 108 | 90 |
| 2016 | 93 | 51 |
| 2017 | 59 | 56 |
| 2018 | 66 | 87 |
| 2019 | 82 | 90 |
| 2020 | 99 | 73 |
| 2021 | 67 | 71 |
| 2022 | 61 | 53 |
| 2023 | 44 | 55 |
| 2024 | 55 | 64 |
| 2025 | 49 | 70 |
| 2026 | 45 | 62 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Power supply device provided in image formation device6 Oct 2026US 12,754,501 B2Nichicon Corporation
- Image forming apparatus and controlling method for the same29 Sep 2026US 12,750,451 B2Canon Kabushiki Kaisha
- Image forming apparatus that charges an image bearing member using a voltage set according to an environmental temperature22 Sep 2026US 12,743,038 B2Canon Kabushiki Kaisha
- Image-forming apparatus generating electrical discharge upstream of transfer portion22 Sep 2026US 12,743,041 B2Canon Kabushiki Kaisha
- Image forming device transitioning to sleep state or off-mode state from standby state15 Sep 2026US 12,736,905 B2Brother Kogyo Kabushiki Kaisha
- Image forming device including switch switching according to whether fixing device is mounted or removed8 Oct 2026US 2026/0310122 A1Brother Kogyo Kabushiki Kaisha
- Power supply device and image forming apparatus8 Oct 2026US 2026/0310126 A1KYOCERA Document Solutions Inc.
- Image forming system, non-transitory computer readable medium storing program, and image forming method1 Oct 2026US 2026/0299470 A1FUJIFILM Business Innovation Corp.
- Safety device including safety circuit that resumes supply of relay operation voltage, when predetermined cancellation is executed, and image forming apparatus24 Sep 2026US 2026/0291213 A1KYOCERA Document Solutions Inc.
- Power control for a fuser of an imaging device10 Sep 2026US 2026/0267264 A1Lexmark International, Inc.
Most cited
By later US patents
- Communication control apparatus for monitoring a condition of a machine and for transmittiing the condition to an external apparatus59US 5,293,196 ACanon Kabushiki Kaisha · 1994
- Communication control apparatus for monitoring a condition of an image forming apparatus and inhibiting transmission of data when a power supply means is turned off50US 5,420,667 ACanon Kabushiki Kaisha · 1995
- Energy saving image-forming apparatus and control method therefor44US 5,457,516 ASamsung Electronics Co., Ltd. · 1995
- Method and apparatus for managing the power consumption of a printer43US 6,072,585 ALexmark International, Inc. · 2000
- Image forming toner, and image forming method and image forming apparatus using the toner39US 6,699,632 B2Ricoh Company, Ltd. · 2004