G02B 17/0888
The corrector having at least one aspheric surface
Official title: {the corrector having at least one aspheric surface, e.g. Schmidt plates}
G02B17/0888 (The corrector having at least one aspheric surface) appears on 42 US grants and 30 published applications in this corpus.
Search patents in G02B- Granted patents
- 42
- Published applications
- 30
- Assignees
- 31
- Inventors
- 96
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 3 |
| 2014 | 1 | 0 |
| 2015 | 2 | 3 |
| 2016 | 1 | 2 |
| 2017 | 1 | 0 |
| 2018 | 2 | 2 |
| 2019 | 2 | 2 |
| 2020 | 1 | 3 |
| 2021 | 1 | 4 |
| 2022 | 2 | 2 |
| 2023 | 3 | 0 |
| 2024 | 1 | 2 |
| 2025 | 1 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Finder and imaging apparatus22 Sep 2026US 12,743,003 B2FUJIFILM Corporation
- Multiple effective focal length (EFL) optical system18 Aug 2026US 12,710,629 B2
- Lightweight modified-Schmidt corrector lens18 Nov 2025US 12,474,556 B2Raytheon Company
- Multiple effective focal length (EFL) optical system20 Aug 2024US 12,066,609 B2The Charles Stark Draper Laboratory, Inc.
- Compact spectrometers and instruments including them4 Jul 2023US 11,692,873 B2PerkinElmer Health Sciences, Inc.
- Multiple Effective Focal Length (EFL) Optical System7 Nov 2024US 2024/0369814 A1The Charles Stark Draper Laboratory, Inc.
- Finder and imaging apparatus8 Feb 2024US 2024/0045310 A1FUJIFILM Corporation
- Projection system31 Mar 2022US 2022/0103791 A1Carl Zeiss Jena GmbH
- Imaging apparatus17 Mar 2022US 2022/0082745 A1
- Compact spectrometers and instruments including them9 Dec 2021US 2021/0381890 A1PerkinElmer Health Sciences, Inc.
Most cited
By later US patents
- Projection optical system for use in precise copy91US 4,861,148 AMatsushita Electric Industrial Co., Ltd. · 1989
- Binary optic-corrected multistage imaging system31US 5,153,772 AToledyne Industries, Inc. · 1992
- Catadioptric telescopes26US 4,342,503 AThe Perkin-Elmer Corporation · 1982
- System and method for combining multiple energy bands to improve scene viewing26US 6,909,539 B2Science Applications International Corporation · 2005
- Method and light collection system for producing uniform arc image size23US 5,966,250 APhilips Electronics North America Corporation · 1999