G02B 15/1431
The first group being positive
Official title: {the first group being positive}
G02B15/1431 (The first group being positive) appears on 480 US grants and 320 published applications in this corpus.
Search patents in G02B- Granted patents
- 480
- Published applications
- 320
- Assignees
- 111
- Inventors
- 489
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 10 | 0 |
| 1988 | 5 | 0 |
| 1989 | 10 | 0 |
| 1990 | 4 | 0 |
| 1991 | 11 | 0 |
| 1992 | 7 | 0 |
| 1993 | 14 | 0 |
| 1994 | 12 | 0 |
| 1995 | 4 | 0 |
| 1996 | 10 | 0 |
| 1997 | 13 | 0 |
| 1998 | 25 | 0 |
| 1999 | 11 | 0 |
| 2000 | 23 | 0 |
| 2001 | 15 | 4 |
| 2002 | 12 | 8 |
| 2003 | 6 | 8 |
| 2004 | 9 | 5 |
| 2005 | 7 | 6 |
| 2006 | 8 | 9 |
| 2007 | 9 | 5 |
| 2008 | 5 | 8 |
| 2009 | 8 | 14 |
| 2010 | 7 | 11 |
| 2011 | 8 | 9 |
| 2012 | 10 | 11 |
| 2013 | 7 | 8 |
| 2014 | 13 | 8 |
| 2015 | 10 | 13 |
| 2016 | 10 | 10 |
| 2017 | 9 | 13 |
| 2018 | 9 | 13 |
| 2019 | 14 | 19 |
| 2020 | 10 | 17 |
| 2021 | 15 | 18 |
| 2022 | 19 | 19 |
| 2023 | 14 | 27 |
| 2024 | 21 | 23 |
| 2025 | 26 | 21 |
| 2026 | 13 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multi-aperture cameras with at least one two state zoom camera18 Aug 2026US 12,713,133 B2Corephotonics Ltd.
- Optical system and photographing device having optical system21 Jul 2026US 12,687,707 B2Beijing Xiaomi Mobile Software Co., Ltd.
- Zoom optical system, optical apparatus and method for manufacturing the zoom optical system14 Jul 2026US 12,681,278 B1Nikon Corporation
- Imaging lens and imaging apparatus16 Jun 2026US 12,656,586 B2FUJIFILM Corporation
- Zoom optical system, optical apparatus and method for manufacturing the zoom optical system19 May 2026US 12,631,853 B2Nikon Corporation
- Ophthalmic lens8 Oct 2026US 2026/0309962 A1Young Optics Inc.
- Imaging lens and imaging apparatus24 Sep 2026US 2026/0287868 A1FUJIFILM Corporation
- Zoom optical system, optical apparatus and method for manufacturing the zoom optical system27 Aug 2026US 2026/0251883 A1Nikon Corporation
- Eyepiece optical system, wide-field image display device30 Jul 2026US 2026/0219502 A1Kopin Corporation
- Optical systems for wide, main and tele imaging18 Jun 2026US 2026/0169261 A1Lumenuity, Inc.
Most cited
By later US patents
- Zoom projection lens systems120US 5,313,330 AU. S. Precision Lens, Inc. · 1994
- 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
- Zoom lens focusing system and method77US 6,014,266 ANikon Corporation · 2000
- Erect type zoom telescopic optical system54US 4,249,793 ANippon Kogaku K. K. · 1981