G02B 15/167
Having an additional fixed front lens or group of lenses
Official title: having an additional fixed front lens or group of lenses
G02B15/167 (Having an additional fixed front lens or group of lenses) appears on 632 US grants and 579 published applications in this corpus.
Search patents in G02B- Granted patents
- 632
- Published applications
- 579
- Assignees
- 91
- Inventors
- 494
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 10 | 0 |
| 1997 | 9 | 0 |
| 1998 | 13 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 1 |
| 2002 | 4 | 4 |
| 2003 | 5 | 4 |
| 2004 | 3 | 6 |
| 2005 | 5 | 8 |
| 2006 | 9 | 9 |
| 2007 | 8 | 16 |
| 2008 | 8 | 12 |
| 2009 | 15 | 14 |
| 2010 | 9 | 8 |
| 2011 | 11 | 28 |
| 2012 | 11 | 27 |
| 2013 | 26 | 46 |
| 2014 | 38 | 63 |
| 2015 | 57 | 56 |
| 2016 | 47 | 35 |
| 2017 | 51 | 42 |
| 2018 | 32 | 59 |
| 2019 | 48 | 37 |
| 2020 | 43 | 32 |
| 2021 | 34 | 18 |
| 2022 | 20 | 9 |
| 2023 | 15 | 12 |
| 2024 | 8 | 13 |
| 2025 | 10 | 15 |
| 2026 | 7 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Zoom lens, and imaging apparatus including the same11 Aug 2026US 12,704,702 B2Canon Kabushiki Kaisha
- Zoom lens and image pickup apparatus and image pickup system having the same2 Jun 2026US 12,645,058 B2Canon Kabushiki Kaisha
- Zoom optical system, optical apparatus and method for manufacturing the zoom optical system19 May 2026US 12,631,853 B2Nikon Corporation
- Zoom lens and image pickup apparatus10 Mar 2026US 12,572,003 B2Canon Kabushiki Kaisha
- Zoom optical system, optical device and method for manufacturing the zoom optical system24 Feb 2026US 12,560,787 B2Nikon Corporation
- Zoom optical system, optical apparatus and method for manufacturing the zoom optical system27 Aug 2026US 2026/0251883 A1Nikon Corporation
- Zoom optical system, optical device and method for manufacturing the zoom optical system28 May 2026US 2026/0147197 A1Nikon Corporation
- Zoom lens and imaging apparatus7 May 2026US 2026/0126631 A1FUJIFILM Corporation
- Zoom optical system, optical device, and method for manufacturing zoom optical system26 Feb 2026US 2026/0056396 A1Nikon Corporation
- Monocular with adjustable magnification5 Feb 2026US 2026/0036802 A1Guangdong Sirui Optical Co., Ltd.
Most cited
By later US patents
- Zoom lens and image pick up apparatus including the same141US 7,187,504 B2Canon Kabushiki Kaisha · 2007
- Zoom lens of rear focus type41US 5,299,064 ACanon Kabushiki Kaisha · 1994
- Zoom lens41US 5,638,216 ACanon Kabushiki Kaisha · 1997
- Compact zoom lens and a camera using the zoom lens39US 6,353,506 B1Ricoh Company, Ltd. · 2002
- Rear focusing zoom lens38US 5,847,882 ACanon Kabushiki Kaisha · 1998