G02B 15/1451
The first group being positive
Official title: {the first group being positive}
G02B15/1451 (The first group being positive) appears on 1,014 US grants and 1,006 published applications in this corpus.
Search patents in G02B- Granted patents
- 1,014
- Published applications
- 1,006
- Assignees
- 86
- Inventors
- 582
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 7 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 14 | 0 |
| 1997 | 15 | 0 |
| 1998 | 20 | 0 |
| 1999 | 13 | 0 |
| 2000 | 11 | 0 |
| 2001 | 7 | 3 |
| 2002 | 4 | 7 |
| 2003 | 7 | 9 |
| 2004 | 6 | 10 |
| 2005 | 4 | 20 |
| 2006 | 21 | 30 |
| 2007 | 28 | 37 |
| 2008 | 29 | 29 |
| 2009 | 37 | 60 |
| 2010 | 40 | 33 |
| 2011 | 43 | 65 |
| 2012 | 31 | 44 |
| 2013 | 57 | 61 |
| 2014 | 49 | 64 |
| 2015 | 58 | 63 |
| 2016 | 58 | 52 |
| 2017 | 56 | 46 |
| 2018 | 34 | 58 |
| 2019 | 51 | 34 |
| 2020 | 41 | 48 |
| 2021 | 30 | 47 |
| 2022 | 52 | 55 |
| 2023 | 37 | 42 |
| 2024 | 41 | 24 |
| 2025 | 39 | 44 |
| 2026 | 21 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Optical system6 Oct 2026US 12,754,394 B2LG Innotek Co., Ltd.
- Zoom lens and imaging apparatus including the same6 Oct 2026US 12,754,404 B2Canon Kabushiki Kaisha
- Zoom lens and image pickup apparatus22 Sep 2026US 12,742,952 B2Canon Kabushiki Kaisha
- Composite optical element and optical system including the same1 Sep 2026US 12,724,245 B2Canon Kabushiki Kaisha
- Zoom lens and image pickup apparatus25 Aug 2026US 12,717,123 B2Canon Kabushiki Kaisha
- Composite optical element and optical system including the same1 Oct 2026US 2026/0299264 A1Canon Kabushiki Kaisha
- Zoom lens and image pickup apparatus17 Sep 2026US 2026/0276959 A1Canon Kabushiki Kaisha
- Lens device and imaging apparatus3 Sep 2026US 2026/0261749 A1FUJIFILM Corporation
- Zoom optical system, optical apparatus and method for manufacturing the zoom optical system27 Aug 2026US 2026/0251883 A1Nikon Corporation
- Zoom lens, and image pickup apparatus having the same30 Jul 2026US 2026/0219481 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Imaging lens device and imaging apparatus171US 7,809,256 B2Sony Corporation · 2010
- Zoom lens and image pick up apparatus including the same141US 7,187,504 B2Canon Kabushiki Kaisha · 2007
- Zoom lens and imaging apparatus130US 9,235,036 B2Sony Corporation · 2016
- Enhanced variable power zoom lens123US 8,451,549 B2Sony Corporation · 2013
- Taking lens apparatus80US 6,404,561 B1Minolta Co., Ltd. · 2002