G03B 13/24
Focusing screens
G03B13/24 (Focusing screens) appears on 98 US grants and 47 published applications in this corpus.
Search patents in G03B- Granted patents
- 98
- Published applications
- 47
- Assignees
- 37
- Inventors
- 160
- Latest grant
- 8 Aug 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 7 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 2 |
| 2004 | 4 | 4 |
| 2005 | 2 | 3 |
| 2006 | 3 | 1 |
| 2007 | 0 | 5 |
| 2008 | 0 | 2 |
| 2009 | 3 | 2 |
| 2010 | 4 | 2 |
| 2011 | 2 | 2 |
| 2012 | 3 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 4 |
| 2015 | 2 | 6 |
| 2016 | 5 | 1 |
| 2017 | 3 | 3 |
| 2018 | 1 | 3 |
| 2019 | 2 | 0 |
| 2020 | 1 | 3 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Information processing apparatus, imaging apparatus, and information processing method each of which issues a notification of blur of an object, and control method for the imaging apparatus8 Aug 2023US 11,722,771 B2Canon Kabushiki Kaisha
- Focus adjustment apparatus, image capturing apparatus, focus adjustment method, and storage medium1 Feb 2022US 11,237,458 B2Canon Kabushiki Kaisha
- Portable scanner and scanning method thereof6 Oct 2020US 10,798,263 B2Himo, Inc.
- Photographing apparatus, photographing method and recording medium on which photographing/display program is recorded30 Jul 2019US 10,367,990 B2Olympus Corporation
- Display control apparatus, method for controlling same, and storage medium16 Jul 2019US 10,356,327 B2Canon Kabushiki Kaisha
- Lens control mechanism and control device adopting the same27 Mar 2025US 2025/0102881 A1Tilta Inc.
- Information processing apparatus, imaging apparatus, and information processing method each of which issues a notification of blur of an object, and control method for the imaging apparatus2 Jul 2020US 2020/0213482 A1Canon Kabushiki Kaisha
- Portable scanner and scanning method thereof6 Feb 2020US 2020/0045199 A1Himo, Inc.
- Focus adjustment apparatus, image capturing apparatus, focus adjustment method, and storage medium16 Jan 2020US 2020/0019040 A1Canon Kabushiki Kaisha
- Display control apparatus, method for controlling same, and storage medium16 Aug 2018US 2018/0234632 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Optical see-through augmented reality modified-scale display218US 7,002,551 B2HRL Laboratories, LLC · 2006
- Diffusion plate56US 4,427,265 ACanon Kabushiki Kaisha · 1984
- Focusing screen including different height microlenses arranged in a cyclical pattern33US 5,177,637 ANikon Corporation · 1993
- Focusing screen and method of manufacturing same32US 5,119,235 ANikon Corporation · 1992
- Film video player/printer30US 4,616,926 AEastman Kodak Company · 1986