H04N 25/773
Comprising photon counting circuits
Official title: comprising photon counting circuits, e.g. single photon detection [SPD] or single photon avalanche diodes [SPAD]
H04N25/773 (Comprising photon counting circuits) appears on 611 US grants and 807 published applications in this corpus.
Search patents in H04N- Granted patents
- 611
- Published applications
- 807
- Assignees
- 191
- Inventors
- 976
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 5 |
| 2002 | 5 | 3 |
| 2003 | 4 | 5 |
| 2004 | 2 | 6 |
| 2005 | 4 | 5 |
| 2006 | 6 | 6 |
| 2007 | 4 | 7 |
| 2008 | 3 | 8 |
| 2009 | 12 | 9 |
| 2010 | 7 | 15 |
| 2011 | 4 | 12 |
| 2012 | 12 | 15 |
| 2013 | 24 | 20 |
| 2014 | 13 | 15 |
| 2015 | 23 | 17 |
| 2016 | 23 | 18 |
| 2017 | 20 | 14 |
| 2018 | 11 | 28 |
| 2019 | 26 | 38 |
| 2020 | 34 | 73 |
| 2021 | 54 | 38 |
| 2022 | 50 | 66 |
| 2023 | 51 | 84 |
| 2024 | 60 | 102 |
| 2025 | 74 | 111 |
| 2026 | 70 | 87 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Photoelectric conversion device, movable apparatus, control method, and storage medium6 Oct 2026US 12,756,949 B2Canon Kabushiki Kaisha
- Photon counting pixel and method of operation thereof6 Oct 2026US 12,756,951 B2Huawei Technologies Co., Ltd.
- Methods and apparatus for operation and navigation of agents in global positioning system (GPS) denied environments29 Sep 2026US 12,749,225 B2Rivet Industries, Inc.
- Photoelectric conversion apparatus, photoelectric conversion system, and moving object29 Sep 2026US 12,750,601 B2Canon Kabushiki Kaisha
- Semiconductor device having units that output predetermined signal values in defined positions relative to units that output signals in response to pixel outputs29 Sep 2026US 12,750,608 B2Canon Kabushiki Kaisha
- Image sensor including avalanche photodiode8 Oct 2026US 2026/0313265 A1Samsung Electronics Co., Ltd.
- Imaging sensing device, sensing system, and method of operating the imaging system1 Oct 2026US 2026/0304974 A1SK hynix Inc.
- Photoelectric conversion device24 Sep 2026US 2026/0292364 A1Canon Kabushiki Kaisha
- Photoelectric conversion device24 Sep 2026US 2026/0292365 A1Canon Kabushiki Kaisha
- Photoelectric conversion device24 Sep 2026US 2026/0292366 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Solid-state image sensor with focal-plane digital photon-counting pixel array228US 5,665,959 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Adminstration · 1997
- Multiplexed multichannel photodetector185US 9,529,079 B1Google Inc. · 2016
- Large dynamic range cameras144US 7,564,019 B22009
- Radiation detector and non-destructive inspection112US 5,943,388 ANova R&D, Inc. · 1999
- Methods and devices for generating a representation of a 3D scene at very high speed111US 9,516,244 B2Fastree3D SA · 2016