G02B 25/04
Affording a wide-angle view
Official title: affording a wide-angle view, e.g. through a spy-hole
G02B25/04 (Affording a wide-angle view) appears on 56 US grants and 25 published applications in this corpus.
Search patents in G02B- Granted patents
- 56
- Published applications
- 25
- Assignees
- 22
- Inventors
- 74
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 2 | 9 |
| 2019 | 7 | 3 |
| 2020 | 2 | 1 |
| 2021 | 3 | 2 |
| 2022 | 2 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Wide field of view (WFOV) optical system and method23 Nov 2021US 11,181,731 B1Kopin Corporation
- Observation optical system and optical apparatus8 Oct 2026US 2026/0309974 A1FUJIFILM Corporation
- Observation optical system and optical apparatus2 Jul 2026US 2026/0186292 A1FUJIFILM Corporation
- Observation optical system and optical apparatus28 Mar 2024US 2024/0103262 A1FUJIFILM Corporation
- Observation optical system and optical apparatus13 Apr 2023US 2023/0115405 A1FUJIFILM Corporation
- Ocular optical system2 Dec 2021US 2021/0373318 A1Genius Electronic Optical Co., Ltd.
Most cited
By later US patents