H04N 25/573
The logarithmic type
Official title: {the logarithmic type}
H04N25/573 (The logarithmic type) appears on 216 US grants and 209 published applications in this corpus.
Search patents in H04N- Granted patents
- 216
- Published applications
- 209
- Assignees
- 103
- Inventors
- 301
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 6 |
| 2002 | 3 | 7 |
| 2003 | 7 | 9 |
| 2004 | 11 | 20 |
| 2005 | 8 | 15 |
| 2006 | 12 | 13 |
| 2007 | 10 | 8 |
| 2008 | 14 | 18 |
| 2009 | 13 | 17 |
| 2010 | 11 | 4 |
| 2011 | 13 | 5 |
| 2012 | 9 | 6 |
| 2013 | 3 | 1 |
| 2014 | 4 | 2 |
| 2015 | 4 | 6 |
| 2016 | 4 | 3 |
| 2017 | 5 | 7 |
| 2018 | 6 | 10 |
| 2019 | 3 | 8 |
| 2020 | 13 | 11 |
| 2021 | 8 | 7 |
| 2022 | 8 | 5 |
| 2023 | 4 | 9 |
| 2024 | 10 | 5 |
| 2025 | 6 | 3 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High dynamic range image sensor with dual-carrier pixel architecture4 Aug 2026US 12,701,336 B2Apple Inc.
- Dynamic vision sensor architecture17 Feb 2026US 12,556,838 B2Sony Advanced Visual Sensing AG
- Image sensor and optical signal generation method9 Dec 2025US 12,495,223 B2OmniVision Technologies, Inc.
- Event sensor and method for generating a signal stream comprising event data28 Oct 2025US 12,457,431 B2Inivation AG
- Photo voltaic image sensor to supress black solar14 Oct 2025US 12,445,747 B2OmniVision Technologies, Inc.
- High dynamic range solid-state imaging device10 Sep 2026US 2026/0270581 A1Sony Semiconductor Solutions Corporation
- Image brightness adjustment for perceptually inform electrical to optical transfer function16 Jul 2026US 2026/0205713 A1Koninklijke Philips N. V.
- Photodetection element and electronic device9 Jul 2026US 2026/0197562 A1Sony Semiconductor Solutions Corporation
- Logarithmic response pixel for an imaging device30 Apr 2026US 2026/0122376 A1STMicroelectronics International N. V.
- High Dynamic Range Image Sensor with Dual-Carrier Pixel Architecture7 Aug 2025US 2025/0254440 A1Apple Inc.
Most cited
By later US patents
- Pixel structure, image sensor using such pixel structure and corresponding peripheral circuitry256US 5,933,190 AImec Vzw · 1999
- Image sensor pixel array having output response curve including logarithmic pattern for image sensor based terminal158US 9,183,425 B2Hand Held Products, Inc. · 2015
- Solid-state imaging device having photo-electric conversion elements and other circuit elements arranged to provide improved photo-sensitivity101US 4,942,474 AHitachi, Ltd. · 1990
- Image cell for an image-recorder chip, for protection of high input signal dynamics onto reduced output signal dynamics92US 5,608,204 AInstitut fur Mikroelektronik Stuttgart · 1997
- Solid-state imaging device and method of detecting optical signals using the same91US 6,051,857 AInnovision, Inc. · 2000