G02B 15/146
Having more than five groups
Official title: {having more than five groups}
G02B15/146 (Having more than five groups) appears on 595 US grants and 749 published applications in this corpus.
Search patents in G02B- Granted patents
- 595
- Published applications
- 749
- Assignees
- 76
- Inventors
- 484
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 3 |
| 2002 | 3 | 6 |
| 2003 | 5 | 3 |
| 2004 | 5 | 1 |
| 2005 | 1 | 7 |
| 2006 | 6 | 10 |
| 2007 | 13 | 14 |
| 2008 | 11 | 14 |
| 2009 | 21 | 16 |
| 2010 | 6 | 16 |
| 2011 | 9 | 23 |
| 2012 | 10 | 14 |
| 2013 | 26 | 37 |
| 2014 | 24 | 40 |
| 2015 | 35 | 30 |
| 2016 | 35 | 33 |
| 2017 | 33 | 32 |
| 2018 | 20 | 29 |
| 2019 | 32 | 31 |
| 2020 | 30 | 57 |
| 2021 | 34 | 51 |
| 2022 | 37 | 65 |
| 2023 | 39 | 45 |
| 2024 | 47 | 54 |
| 2025 | 54 | 65 |
| 2026 | 37 | 53 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Projection optical system and projector6 Oct 2026US 12,754,405 B2Seiko Epson Corporation
- Zoom lens and image pickup apparatus22 Sep 2026US 12,742,953 B2Canon Kabushiki Kaisha
- Zoom lens and imaging apparatus8 Sep 2026US 12,730,287 B2FUJIFILM Corporation
- Composite optical element and optical system including the same1 Sep 2026US 12,724,245 B2Canon Kabushiki Kaisha
- Large aperture ratio telephoto zoom lens1 Sep 2026US 12,724,248 B2Sigma Corporation
- Composite optical element and optical system including the same1 Oct 2026US 2026/0299264 A1Canon Kabushiki Kaisha
- Slim pop-out wide camera lenses24 Sep 2026US 2026/0292323 A1Corephotonics Ltd.
- Zoom lens and image pickup apparatus17 Sep 2026US 2026/0276959 A1Canon Kabushiki Kaisha
- Optical system10 Sep 2026US 2026/0267137 A1Sigma Corporation
- Zoom lens and image pickup apparatus having the same3 Sep 2026US 2026/0259395 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Taking lens apparatus80US 6,404,561 B1Minolta Co., Ltd. · 2002
- High variable magnification range zoom lens35US 5,189,557 ACanon Kabushiki Kaisha · 1993
- Taking lens device33US 6,449,433 B2Minolta Co., Ltd. · 2002
- Zoom lens29US 6,061,180 ACanon Kabushiki Kaisha · 2000
- Zoom lens capable of obtaining focal lengths beyond a variable focal length range28US 4,830,477 ACanon Kabushiki Kaisha · 1989