G03B 13/00
Viewfinders
Official title: Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
G03B13/00 (Viewfinders) appears on 4,974 US grants and 5,199 published applications in this corpus.
Search patents in G03B- Granted patents
- 4,974
- Published applications
- 5,199
- Assignees
- 788
- Inventors
- 5,827
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 11 | 0 |
| 1978 | 18 | 0 |
| 1979 | 12 | 0 |
| 1980 | 10 | 0 |
| 1981 | 13 | 0 |
| 1982 | 17 | 0 |
| 1983 | 5 | 0 |
| 1984 | 8 | 0 |
| 1985 | 11 | 0 |
| 1986 | 7 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 8 | 0 |
| 1990 | 24 | 0 |
| 1991 | 17 | 0 |
| 1992 | 36 | 0 |
| 1993 | 46 | 0 |
| 1994 | 39 | 0 |
| 1995 | 36 | 0 |
| 1996 | 73 | 0 |
| 1997 | 63 | 0 |
| 1998 | 82 | 0 |
| 1999 | 64 | 0 |
| 2000 | 49 | 0 |
| 2001 | 41 | 17 |
| 2002 | 42 | 46 |
| 2003 | 44 | 32 |
| 2004 | 40 | 43 |
| 2005 | 34 | 71 |
| 2006 | 38 | 115 |
| 2007 | 29 | 180 |
| 2008 | 53 | 177 |
| 2009 | 116 | 166 |
| 2010 | 171 | 166 |
| 2011 | 148 | 218 |
| 2012 | 187 | 185 |
| 2013 | 190 | 186 |
| 2014 | 210 | 194 |
| 2015 | 212 | 307 |
| 2016 | 247 | 195 |
| 2017 | 224 | 209 |
| 2018 | 179 | 258 |
| 2019 | 230 | 330 |
| 2020 | 267 | 386 |
| 2021 | 277 | 357 |
| 2022 | 324 | 328 |
| 2023 | 283 | 323 |
| 2024 | 274 | 276 |
| 2025 | 276 | 253 |
| 2026 | 172 | 181 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Driving mechanism6 Oct 2026US 12,754,390 B2Actutek Corporation
- Compact single-camera system emulating multi-camera system6 Oct 2026US 12,755,117 B1Zebra Technologies Corporation
- Imaging lens module and electronic device29 Sep 2026US 12,748,341 B2Largan Precision Co., Ltd.
- Camera module29 Sep 2026US 12,748,342 B2LG Innotek Co., Ltd.
- Determining image-capture settings29 Sep 2026US 12,750,576 B2QUALCOMM Incorporated
- Camera module8 Oct 2026US 2026/0309963 A1Samsung Electro-Mechanics Co., Ltd.
- Camera module8 Oct 2026US 2026/0310047 A1Samsung Electro-Mechanics Co., Ltd.
- Lens driving device and camera assembly8 Oct 2026US 2026/0310048 A1Xiamen Zhonghui Microelectronics Co., Ltd
- Camera module and electronic device8 Oct 2026US 2026/0310052 A1Guangdong Oppo Mobile Telecommunications Corp., Ltd.
- Exchangeable lens and camera body8 Oct 2026US 2026/0313228 A1Nikon Corporation
Most cited
By later US patents
- Hall-effect based linear motor controller1,018US 8,084,969 B2Allegro MicroSystems, LLC · 2011
- Imaging terminal having focus control542US 8,692,927 B2Hand Held Products, Inc. · 2014
- Two-dimensional imager with solid-state auto-focus496US 8,988,590 B2Intermec IP Corp. · 2015
- Apparatus for multiple camera devices and method of operating same466US 7,199,348 B2Newport Imaging Corporation · 2007
- Real-time preview for panoramic images343US 7,424,218 B2Microsoft Corporation · 2008