G02B 15/1421
The first group being positive
Official title: {the first group being positive}
G02B15/1421 (The first group being positive) appears on 325 US grants and 174 published applications in this corpus.
Search patents in G02B- Granted patents
- 325
- Published applications
- 174
- Assignees
- 75
- Inventors
- 386
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 7 | 0 |
| 1988 | 3 | 0 |
| 1989 | 12 | 0 |
| 1990 | 8 | 0 |
| 1991 | 6 | 0 |
| 1992 | 15 | 0 |
| 1993 | 11 | 0 |
| 1994 | 11 | 0 |
| 1995 | 15 | 0 |
| 1996 | 7 | 0 |
| 1997 | 21 | 0 |
| 1998 | 19 | 0 |
| 1999 | 19 | 0 |
| 2000 | 9 | 0 |
| 2001 | 15 | 4 |
| 2002 | 9 | 4 |
| 2003 | 7 | 8 |
| 2004 | 4 | 2 |
| 2005 | 3 | 1 |
| 2006 | 1 | 1 |
| 2007 | 2 | 3 |
| 2008 | 1 | 0 |
| 2009 | 2 | 3 |
| 2010 | 2 | 0 |
| 2011 | 1 | 6 |
| 2012 | 0 | 4 |
| 2013 | 5 | 11 |
| 2014 | 7 | 6 |
| 2015 | 10 | 10 |
| 2016 | 6 | 15 |
| 2017 | 15 | 10 |
| 2018 | 9 | 9 |
| 2019 | 8 | 8 |
| 2020 | 5 | 8 |
| 2021 | 8 | 10 |
| 2022 | 6 | 9 |
| 2023 | 6 | 9 |
| 2024 | 7 | 10 |
| 2025 | 11 | 11 |
| 2026 | 5 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical lens, camera module, and electronic device23 Jun 2026US 12,663,621 B2Huawei Technologies Co., Ltd.
- Imaging lens and imaging apparatus16 Jun 2026US 12,656,586 B2FUJIFILM Corporation
- Microscope objective lens and microscope apparatus16 Jun 2026US 12,656,589 B2Nikon Corporation
- Optical photographing lens, image capturing unit and electronic device21 Apr 2026US 12,607,834 B2Largan Precision Co., Ltd.
- Slim pop-out wide camera lenses31 Mar 2026US 12,593,119 B2Corephotonics Ltd.
- Imaging lens and imaging apparatus24 Sep 2026US 2026/0287868 A1FUJIFILM Corporation
- Slim pop-out wide camera lenses24 Sep 2026US 2026/0292323 A1Corephotonics Ltd.
- Microscope objective lens and microscope apparatus17 Sep 2026US 2026/0276965 A1Nikon Corporation
- Visual system10 Sep 2026US 2026/0267146 A1Zhejiang Sunny Optics Co., Ltd.
- Image capturing optical system, image capturing unit and electronic device4 Jun 2026US 2026/0153652 A1Largan Precision Co., Ltd.
Most cited
By later US patents
- Zoom projection lens systems120US 5,313,330 AU. S. Precision Lens, Inc. · 1994
- Zoom lens having weak plastic element89US 5,428,480 AEastman Kodak Company · 1995
- Objective lens for variable viewing depth endoscope80US 6,327,101 B1Fuji Photo Optical Co., Ltd. · 2001
- Zoom lens device68US 5,196,963 AFuji Photo Film Co., Ltd. · 1993
- Variable optical power telescopic sight with side focus control65US 6,005,711 ALeupold & Stevens, Inc. · 1999