G02B 7/36
Using image sharpness techniques
Official title: using image sharpness techniques {, e.g. image processing techniques for generating autofocus signals (image data processing per se G06T; in cameras having a solid state image sensor H04N23/67)}
G02B7/36 (Using image sharpness techniques) appears on 1,706 US grants and 1,473 published applications in this corpus.
Search patents in G02B- Granted patents
- 1,706
- Published applications
- 1,473
- Assignees
- 446
- Inventors
- 2,438
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 13 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 20 | 0 |
| 1982 | 24 | 0 |
| 1983 | 13 | 0 |
| 1984 | 22 | 0 |
| 1985 | 19 | 0 |
| 1986 | 20 | 0 |
| 1987 | 14 | 0 |
| 1988 | 25 | 0 |
| 1989 | 32 | 0 |
| 1990 | 26 | 0 |
| 1991 | 30 | 0 |
| 1992 | 35 | 0 |
| 1993 | 35 | 0 |
| 1994 | 6 | 0 |
| 1995 | 20 | 0 |
| 1996 | 26 | 0 |
| 1997 | 16 | 0 |
| 1998 | 10 | 0 |
| 1999 | 8 | 0 |
| 2000 | 8 | 0 |
| 2001 | 4 | 1 |
| 2002 | 4 | 7 |
| 2003 | 9 | 9 |
| 2004 | 9 | 24 |
| 2005 | 14 | 31 |
| 2006 | 19 | 36 |
| 2007 | 15 | 44 |
| 2008 | 14 | 63 |
| 2009 | 54 | 53 |
| 2010 | 47 | 64 |
| 2011 | 45 | 64 |
| 2012 | 50 | 71 |
| 2013 | 61 | 77 |
| 2014 | 88 | 71 |
| 2015 | 72 | 77 |
| 2016 | 81 | 112 |
| 2017 | 89 | 95 |
| 2018 | 87 | 96 |
| 2019 | 106 | 100 |
| 2020 | 91 | 79 |
| 2021 | 60 | 82 |
| 2022 | 74 | 56 |
| 2023 | 52 | 52 |
| 2024 | 45 | 44 |
| 2025 | 44 | 44 |
| 2026 | 25 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Observation system, focus position calculation method, and computer readable medium29 Sep 2026US 12,748,281 B2Evident Corporation
- Systems and methods for autofocus23 Jun 2026US 12,663,609 B210x Genomics, Inc.
- Wide field of view (FOV) optical lens assembly with tunable optical lens23 Jun 2026US 12,663,619 B2Meta Platforms Technologies, LLC
- Information processing system, information processing method, and non-transitory recording medium9 Jun 2026US 12,652,465 B2NEC Corporation
- Method for tuning an imaging assembly via a focus triggering marker2 Jun 2026US 12,645,052 B2
- Image sensing system and method for imaging3 Sep 2026US 2026/0261776 A1Ventana Medical Systems, Inc.
- Biological information acquisition device and biological information acquisition method13 Aug 2026US 2026/0237238 A1Panasonic Intellectual Property Management Co., Ltd.
- Pattern inspection apparatus, focus position adjustment method, and pattern inspection method6 Aug 2026US 2026/0227344 A1NuFlare Technology, Inc.
- Focusing method, optical imaging system, sequencing system, and medium30 Jul 2026US 2026/0219162 A1Genemind Biosciences Company Limited
- Imaging obstruction detection apparatus23 Jul 2026US 2026/0214202 A1JVCKENWOOD Corporation
Most cited
By later US patents
- Focus module and components with actuator544US 8,687,282 B2Hand Held Products, Inc. · 2014
- Automatic focus detection system252US 5,023,646 AMinolta Camera Kabushiki Kaisha · 1991
- Distance measuring method and a distance measuring apparatus223US 5,576,975 AFujitsu Limited · 1996
- System for exposure measurement and/or focus detection by means of image senser215US 4,047,187 ACanon Kabushiki Kaisha · 1977
- Protocol processing stack for use with intelligent network interface device213US 6,697,868 B2Alacritech, Inc. · 2004