G03B 2213/00
Viewfinders
Official title: Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
G03B2213/00 (Viewfinders) appears on 276 US grants and 94 published applications in this corpus.
Search patents in G03B- Granted patents
- 276
- Published applications
- 94
- Assignees
- 51
- Inventors
- 279
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 11 | 0 |
| 1994 | 8 | 0 |
| 1995 | 16 | 0 |
| 1996 | 43 | 0 |
| 1997 | 25 | 0 |
| 1998 | 33 | 0 |
| 1999 | 18 | 0 |
| 2000 | 15 | 0 |
| 2001 | 8 | 1 |
| 2002 | 3 | 5 |
| 2003 | 3 | 0 |
| 2004 | 1 | 4 |
| 2005 | 0 | 13 |
| 2006 | 4 | 2 |
| 2007 | 4 | 3 |
| 2008 | 5 | 2 |
| 2009 | 3 | 0 |
| 2010 | 3 | 4 |
| 2011 | 1 | 1 |
| 2012 | 3 | 5 |
| 2013 | 1 | 0 |
| 2014 | 4 | 4 |
| 2015 | 3 | 5 |
| 2016 | 3 | 4 |
| 2017 | 4 | 5 |
| 2018 | 4 | 4 |
| 2019 | 6 | 6 |
| 2020 | 6 | 3 |
| 2021 | 1 | 7 |
| 2022 | 5 | 4 |
| 2023 | 7 | 7 |
| 2024 | 3 | 3 |
| 2025 | 3 | 2 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Image pickup apparatus with line-of-sight processing23 Jun 2026US 12,666,131 B2Canon Kabushiki Kaisha
- Imaging apparatus, method of controlling imaging apparatus, and program5 May 2026US 12,619,302 B2Sony Group Corporation
- Electronic device10 Feb 2026US 12,546,891 B2Canon Kabushiki Kaisha
- Method and systems for autofocusing27 May 2025US 12,313,835 B2Araceli Biosciences Inc.
- Electronic apparatus and method for performing control based on detection of user's sight line27 May 2025US 12,313,954 B2Canon Kabushiki Kaisha
- Apparatus, method, and system for fine tuning of capture devices26 Jun 2025US 2025/0208491 A1Musco Corporation
- Finder optical system, finder device, and imaging apparatus27 Mar 2025US 2025/0102886 A1FUJIFILM Corporation
- Image pickup apparatus25 Jul 2024US 2024/0251155 A1Canon Kabushiki Kaisha
- Electronic apparatus and method for performing control based on detection of user's sight line11 Jul 2024US 2024/0231189 A1Canon Kabushiki Kaisha
- Electronic apparatus and method for controlling the same22 Feb 2024US 2024/0062583 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Systems and methods for position estimation315US 8,878,749 B1Google Inc. · 2014
- Eye tracking wearable devices and methods for use230US 10,025,379 B2Google Inc. · 2018
- Apparatus for setting imaging functions based on a detected viewpoint110US 6,181,377 B2Canon Kabushiki Kaisha · 2001
- Image pickup apparatus104US 5,594,500 ACanon Kabushiki Kaisha · 1997
- Visual line detecting device and camera having the same93US 5,036,347 ACanon Kabushiki Kaisha · 1991