G02B 17/0812
Off-axis or unobscured systems in which all of the mirrors share a
Official title: {off-axis or unobscured systems in which all of the mirrors share a common axis of rotational symmetry}
G02B17/0812 (Off-axis or unobscured systems in which all of the mirrors share a) appears on 166 US grants and 154 published applications in this corpus.
Search patents in G02B- Granted patents
- 166
- Published applications
- 154
- Assignees
- 61
- Inventors
- 203
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 2 |
| 2002 | 5 | 3 |
| 2003 | 8 | 7 |
| 2004 | 6 | 9 |
| 2005 | 3 | 10 |
| 2006 | 12 | 17 |
| 2007 | 5 | 6 |
| 2008 | 11 | 21 |
| 2009 | 7 | 9 |
| 2010 | 15 | 11 |
| 2011 | 10 | 6 |
| 2012 | 7 | 5 |
| 2013 | 7 | 3 |
| 2014 | 7 | 5 |
| 2015 | 2 | 8 |
| 2016 | 5 | 2 |
| 2017 | 5 | 3 |
| 2018 | 3 | 5 |
| 2019 | 3 | 3 |
| 2020 | 3 | 4 |
| 2021 | 4 | 4 |
| 2022 | 5 | 4 |
| 2023 | 2 | 3 |
| 2024 | 4 | 2 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Offset optical system including primary mirror and positionally-offset sub-mirror13 Jan 2026US 12,523,856 B2Hokkaido Laboratory for Research In Environment and Energy, LLC
- Optical imaging device3 Jun 2025US 12,320,964 B2Samsung Electro-Mechanics Co., Ltd.
- Optical system and imaging apparatus including optical system25 Jun 2024US 12,019,226 B2Canon Kabushiki Kaisha
- Optical imaging device5 Mar 2024US 11,921,269 B2Samsung Electro-Mechanics Co., Ltd.
- Wide-aperture spherical primary mirror off-axis afocal optical system20 Feb 2024US 11,906,718 B2Soochow University
- Optical system, image projection apparatus, and imaging apparatus12 Mar 2026US 2026/0072259 A1Panasonic Intellectual Property Management Co., Ltd.
- Optical imaging device7 Aug 2025US 2025/0251583 A1Samsung Electro-Mechanics Co., Ltd.
- Apparatus, system, and method for increasing contrast in pancake lenses via asymmetric beam splitters20 Jun 2024US 2024/0201495 A1Meta Platforms Technologies, LLC
- Optical imaging device23 May 2024US 2024/0168269 A1Samsung Electro-Mechanics Co., Ltd.
- Wide-aperture spherical primary mirror off-axis afocal optical system7 Sep 2023US 2023/0280571 A1Soochow University
Most cited
By later US patents
- Exposure apparatus, optical projection apparatus and a method for adjusting the optical projection apparatus256US 6,795,169 B2Nikon Corporation · 2004
- Optical system of collimation notably for helmet display unit214US 5,453,877 AThomson-CSF · 1995
- Multi-special decentered catadioptric optical system135US 5,841,574 ARecon/Optical, Inc. · 1998
- Optical apparatus134US 5,636,066 ANikon Corporation · 1997
- Exposure apparatus, optical projection apparatus and a method for adjusting the optical projection apparatus90US 5,729,331 ANikon Corporation · 1998