G02B 15/1441
The first group being positive
Official title: {the first group being positive}
G02B15/1441 (The first group being positive) appears on 1,396 US grants and 1,106 published applications in this corpus.
Search patents in G02B- Granted patents
- 1,396
- Published applications
- 1,106
- Assignees
- 123
- Inventors
- 795
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 10 | 0 |
| 1984 | 9 | 0 |
| 1985 | 9 | 0 |
| 1986 | 14 | 0 |
| 1987 | 21 | 0 |
| 1988 | 14 | 0 |
| 1989 | 17 | 0 |
| 1990 | 9 | 0 |
| 1991 | 12 | 0 |
| 1992 | 18 | 0 |
| 1993 | 22 | 0 |
| 1994 | 17 | 0 |
| 1995 | 12 | 0 |
| 1996 | 24 | 0 |
| 1997 | 22 | 0 |
| 1998 | 28 | 0 |
| 1999 | 29 | 0 |
| 2000 | 35 | 0 |
| 2001 | 24 | 10 |
| 2002 | 28 | 15 |
| 2003 | 24 | 33 |
| 2004 | 33 | 30 |
| 2005 | 18 | 38 |
| 2006 | 36 | 50 |
| 2007 | 46 | 55 |
| 2008 | 56 | 75 |
| 2009 | 60 | 69 |
| 2010 | 65 | 67 |
| 2011 | 60 | 104 |
| 2012 | 83 | 73 |
| 2013 | 75 | 54 |
| 2014 | 59 | 56 |
| 2015 | 57 | 56 |
| 2016 | 48 | 28 |
| 2017 | 39 | 31 |
| 2018 | 27 | 34 |
| 2019 | 25 | 27 |
| 2020 | 24 | 34 |
| 2021 | 24 | 26 |
| 2022 | 35 | 42 |
| 2023 | 26 | 31 |
| 2024 | 27 | 25 |
| 2025 | 27 | 31 |
| 2026 | 23 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Zoom lens and image pickup apparatus22 Sep 2026US 12,742,951 B2Canon Kabushiki Kaisha
- Finder and imaging apparatus22 Sep 2026US 12,743,003 B2FUJIFILM Corporation
- Composite optical element and optical system including the same1 Sep 2026US 12,724,245 B2Canon Kabushiki Kaisha
- Zoom optical system, optical apparatus, imaging apparatus and method for manufacturing the zoom optical system1 Sep 2026US 12,724,251 B2Nikon Corporation
- 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 imaging apparatus including the same24 Sep 2026US 2026/0287867 A1Canon Kabushiki Kaisha
- Zoom lens and image pickup apparatus3 Sep 2026US 2026/0259396 A1Canon Kabushiki Kaisha
- Lens device and imaging apparatus3 Sep 2026US 2026/0261749 A1FUJIFILM Corporation
- Zoom lens and imaging apparatus20 Aug 2026US 2026/0244005 A1Sony Group Corporation
Most cited
By later US patents
- Zoom lens141US 5,000,551 ANikon Corporation · 1991
- Mini-zoom projection lenses for use with pixelized panels97US 5,900,989 AU. S. Precision Lens, Inc. · 1999
- Projection lenses for use with large pixelized panels90US 6,023,375 AU. S. Precision Lens, Inc. · 2000
- Taking lens apparatus80US 6,404,561 B1Minolta Co., Ltd. · 2002
- Varifocal optical system79US 4,784,479 ACanon Kabushiki Kaisha · 1988