G02B 15/1425
The first group being negative
Official title: {the first group being negative}
G02B15/1425 (The first group being negative) appears on 287 US grants and 204 published applications in this corpus.
Search patents in G02B- Granted patents
- 287
- Published applications
- 204
- Assignees
- 77
- Inventors
- 321
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 5 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 6 | 0 |
| 1984 | 9 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 7 | 0 |
| 1998 | 4 | 0 |
| 1999 | 8 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 2 |
| 2002 | 3 | 5 |
| 2003 | 1 | 2 |
| 2004 | 3 | 4 |
| 2005 | 4 | 5 |
| 2006 | 8 | 10 |
| 2007 | 10 | 7 |
| 2008 | 7 | 11 |
| 2009 | 8 | 6 |
| 2010 | 9 | 4 |
| 2011 | 5 | 9 |
| 2012 | 7 | 6 |
| 2013 | 3 | 12 |
| 2014 | 6 | 21 |
| 2015 | 18 | 13 |
| 2016 | 10 | 11 |
| 2017 | 13 | 8 |
| 2018 | 9 | 7 |
| 2019 | 3 | 6 |
| 2020 | 4 | 6 |
| 2021 | 11 | 10 |
| 2022 | 5 | 12 |
| 2023 | 3 | 9 |
| 2024 | 10 | 5 |
| 2025 | 8 | 9 |
| 2026 | 7 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Zoom lens and image pickup apparatus6 Oct 2026US 12,754,403 B2Canon Kabushiki Kaisha
- Beam-shaping lens, beam-shaping element, light source device for an endoscope, and endoscope8 Sep 2026US 12,727,744 B2Nirec Corporation
- Zoom lens and image pickup apparatus8 Sep 2026US 12,730,286 B2Canon Kabushiki Kaisha
- Zoom lens and image pickup apparatus25 Aug 2026US 12,717,123 B2Canon Kabushiki Kaisha
- Lens assembly and a camera module including the same7 Apr 2026US 12,596,291 B2LG Innotek Co., Ltd.
- Zoom lens and photographing device21 May 2026US 2026/0140353 A1Beijing Xiaomi Mobile Software Co., Ltd.
- Optical System and Camera Module23 Apr 2026US 2026/0110885 A1Ningbo Sunny Opotech Co., Ltd.
- Imaging optical system and image pickup apparatus having the same19 Feb 2026US 2026/0050113 A1Canon Kabushiki Kaisha
- Zoom lens and image pickup apparatus having the same19 Feb 2026US 2026/0050149 A1Canon Kabushiki Kaisha
- Zoom lens and image pickup apparatus20 Nov 2025US 2025/0355244 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Objective lens system for endoscopes147US 4,976,522 AOlympus Optical Co., Ltd. · 1990
- Zoom projection lenses for use with pixelized panels121US 5,900,987 AU. S. Precision Lens, Inc. · 1999
- Zoom projection lens having a lens correction unit92US 6,417,971 B1U. S. Precision Lens, Inc. · 2002
- Vari-focal lens system49US 4,999,007 AOlympus Optical Co., Ltd. · 1991
- Real image mode variable magnification finder optical system47US 5,231,534 AOlympus Optical Co., Ltd. · 1993