G02B 23/06
Having a focussing action
Official title: having a focussing action, e.g. parabolic mirror
G02B23/06 (Having a focussing action) appears on 234 US grants and 215 published applications in this corpus.
Search patents in G02B- Granted patents
- 234
- Published applications
- 215
- Assignees
- 146
- Inventors
- 542
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 3 |
| 2003 | 0 | 2 |
| 2004 | 3 | 3 |
| 2005 | 3 | 4 |
| 2006 | 4 | 5 |
| 2007 | 4 | 8 |
| 2008 | 4 | 3 |
| 2009 | 4 | 7 |
| 2010 | 3 | 7 |
| 2011 | 9 | 4 |
| 2012 | 6 | 5 |
| 2013 | 7 | 16 |
| 2014 | 5 | 8 |
| 2015 | 7 | 9 |
| 2016 | 15 | 16 |
| 2017 | 12 | 8 |
| 2018 | 10 | 12 |
| 2019 | 12 | 10 |
| 2020 | 11 | 13 |
| 2021 | 12 | 15 |
| 2022 | 9 | 14 |
| 2023 | 15 | 11 |
| 2024 | 9 | 13 |
| 2025 | 11 | 11 |
| 2026 | 10 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Imaging optical system comprising three mirrors29 Sep 2026US 12,748,290 B2Office National D’Etudes Et De Recherches AéRospatiales
- Volumetric LED alignment aid for sighting device1 Sep 2026US 12,723,841 B2
- Optical device and prism module thereof1 Sep 2026US 12,724,258 B2Asia Optical Co., Inc.
- Widefield catadioptric monolithic telescopes11 Aug 2026US 12,704,708 B2Lawrence Livermore National Security, LLC
- Optically sparse primary aperture for high spatial resolution imaging2 Jun 2026US 12,645,093 B2Tata Consultancy Services Limited
- Lunar coronagraph24 Sep 2026US 2026/0287885 A1Arizona Board of Regents on Behalf of the University of Arizona
- Distance-measuring autofocus observation instrument17 Sep 2026US 2026/0276971 A1
- Multimode focuser for astronomical telescope17 Sep 2026US 2026/0276972 A1Nanjing iOptron Astronomy S&T, Ltd.
- Ritchey-chrétien telescope system with a multi-lens corrector3 Sep 2026US 2026/0259400 A1
- Illumination reflector system and method25 Jun 2026US 2026/0177805 A1
Most cited
By later US patents
- Laser illuminated image projection system and method of using same103US 5,704,700 AProxima Corporation · 1998
- Rifle scope having compensation for elevation and drift94US 4,255,013 A1981
- Three mirror anastigmatic optical system78US 4,265,510 AHughes Aircraft Company · 1981
- Four mirror unobscurred anastigmatic telescope with all spherical surfaces56US 4,226,501 AThe Perkin-Elmer Corporation · 1980
- Anastigmatic three-mirror telescope50US 4,101,195 A1978