G02B 23/02
Involving prisms or mirrors
Official title: involving prisms or mirrors (G02B23/14 takes precedence)
G02B23/02 (Involving prisms or mirrors) appears on 1,220 US grants and 1,102 published applications in this corpus.
Search patents in G02B- Granted patents
- 1,220
- Published applications
- 1,102
- Assignees
- 577
- Inventors
- 2,219
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 7 | 0 |
| 1978 | 11 | 0 |
| 1979 | 11 | 0 |
| 1980 | 11 | 0 |
| 1981 | 13 | 0 |
| 1982 | 8 | 0 |
| 1983 | 9 | 0 |
| 1984 | 14 | 0 |
| 1985 | 4 | 0 |
| 1986 | 12 | 0 |
| 1987 | 11 | 0 |
| 1988 | 17 | 0 |
| 1989 | 17 | 0 |
| 1990 | 14 | 0 |
| 1991 | 12 | 0 |
| 1992 | 23 | 0 |
| 1993 | 6 | 0 |
| 1994 | 17 | 0 |
| 1995 | 14 | 0 |
| 1996 | 11 | 0 |
| 1997 | 11 | 0 |
| 1998 | 9 | 0 |
| 1999 | 9 | 0 |
| 2000 | 19 | 0 |
| 2001 | 12 | 5 |
| 2002 | 16 | 14 |
| 2003 | 15 | 22 |
| 2004 | 17 | 21 |
| 2005 | 14 | 31 |
| 2006 | 15 | 19 |
| 2007 | 18 | 30 |
| 2008 | 16 | 16 |
| 2009 | 15 | 23 |
| 2010 | 19 | 26 |
| 2011 | 21 | 25 |
| 2012 | 21 | 34 |
| 2013 | 23 | 47 |
| 2014 | 35 | 49 |
| 2015 | 37 | 38 |
| 2016 | 51 | 77 |
| 2017 | 52 | 51 |
| 2018 | 44 | 68 |
| 2019 | 83 | 61 |
| 2020 | 59 | 70 |
| 2021 | 51 | 81 |
| 2022 | 63 | 54 |
| 2023 | 59 | 64 |
| 2024 | 57 | 79 |
| 2025 | 64 | 53 |
| 2026 | 42 | 44 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Imaging optical system comprising three mirrors29 Sep 2026US 12,748,290 B2Office National D’Etudes Et De Recherches AéRospatiales
- Dual-light-source red dot sight22 Sep 2026US 12,742,956 B1Guangzhou Saiyili Technology Co., Ltd.
- Target sight system including reflex sight having emitter array8 Sep 2026US 12,729,934 B2Sig Sauer, Inc.
- Viewing instrument8 Sep 2026US 12,729,935 B2Nedinsco B.V.
- Volumetric LED alignment aid for sighting device1 Sep 2026US 12,723,841 B2
- Optical system1 Oct 2026US 2026/0299279 A1Asia Optical Co., Inc.
- Optical system24 Sep 2026US 2026/0287880 A1Asia Optical Co., Inc.
- Lunar coronagraph24 Sep 2026US 2026/0287885 A1Arizona Board of Regents on Behalf of the University of Arizona
- On-Axis Holographic Sight24 Sep 2026US 2026/0287913 A1Marsupial Holdings, Inc.
- Viewing optic with software capabilities implemented by an enabler24 Sep 2026US 2026/0288932 A1Sheltered Wings Inc. d/b/a Vortex Optics
Most cited
By later US patents
- Optical system for monitor cameras to be mounted on vehicles435US 5,648,835 AOlympus Optical Co., Ltd. · 1997
- Optical device enabling the introduction of a collimated image in an observer's field of vision300US 5,076,664 AThomson-CSF · 1991
- Apparatus and method for displaying and storing impact points of firearm projectiles on a sight field of view215US 5,026,158 A1991
- Monitoring apparatus209US 4,665,430 AMatsushita Electric Industrial Co., Ltd. · 1987
- Optical sighting devices186US 6,327,806 B1Firearms Research Limited · 2001