H04N 25/626
Reduction of noise due to residual charges remaining after image readout
Official title: Reduction of noise due to residual charges remaining after image readout, e.g. to remove ghost images or afterimages
H04N25/626 (Reduction of noise due to residual charges remaining after image readout) appears on 348 US grants and 322 published applications in this corpus.
Search patents in H04N- Granted patents
- 348
- Published applications
- 322
- Assignees
- 155
- Inventors
- 624
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 3 |
| 2002 | 5 | 3 |
| 2003 | 7 | 7 |
| 2004 | 6 | 15 |
| 2005 | 9 | 22 |
| 2006 | 14 | 20 |
| 2007 | 5 | 12 |
| 2008 | 19 | 16 |
| 2009 | 21 | 17 |
| 2010 | 11 | 12 |
| 2011 | 15 | 14 |
| 2012 | 15 | 11 |
| 2013 | 12 | 17 |
| 2014 | 14 | 9 |
| 2015 | 12 | 15 |
| 2016 | 13 | 15 |
| 2017 | 17 | 16 |
| 2018 | 20 | 28 |
| 2019 | 21 | 13 |
| 2020 | 21 | 16 |
| 2021 | 11 | 11 |
| 2022 | 11 | 5 |
| 2023 | 6 | 11 |
| 2024 | 2 | 1 |
| 2025 | 7 | 9 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Solid-state imaging element14 Apr 2026US 12,604,544 B2Sony Semiconductor Solutions Corporation
- Range imaging device and range imaging method17 Mar 2026US 12,581,214 B2Toppan Inc.
- Moving image noise reduction apparatus and moving image noise reduction method10 Mar 2026US 12,574,658 B2JVCKENWOOD Corporation
- LOFIC anti-lag methods with reverse bias optimization, and associated systems, devices, and methods23 Dec 2025US 12,506,980 B2OmniVision Technologies, Inc.
- Solid-state imaging device and method of controlling solid-state imaging device9 Dec 2025US 12,495,222 B2Sony Semiconductor Solutions Corporation
- Control device, distance measuring device, and control method27 Aug 2026US 2026/0251768 A1Sony Group Corporation
- Information processing apparatus, imaging apparatus, information processing method, and information processing program23 Jul 2026US 2026/0214351 A1FUJIFILM Corporation
- Solid-state imaging element2 Jul 2026US 2026/0190514 A1Sony Semiconductor Solutions Corporation
- Green ghost detection5 Mar 2026US 2026/0067591 A1Apple Inc.
- Distance image capturing device and distance image capturing method4 Dec 2025US 2025/0370132 A1Toppan Holdings Inc.
Most cited
By later US patents
- Unit pixel in CMOS image sensor with enhanced reset efficiency177US 6,900,485 B2Hynix Semiconductor Inc. · 2005
- Camera apparatus165US 4,623,930 AMatsushita Electric Industrial Co., Ltd. · 1986
- Method of photoelectric detection with reduction of remanence of a phototransistor, notably of the NIPIN type137US 4,952,788 AThomson-CSF · 1990
- Camera apparatus132US 5,062,696 AMatsushita Electric Industrial Co., Ltd. · 1991
- Solid image pickup device, image pickup system and method of driving solid image pickup device72US 7,324,144 B1Canon Kabushiki Kaisha · 2008