G02B 15/1455
The first group being negative
Official title: {the first group being negative}
G02B15/1455 (The first group being negative) appears on 231 US grants and 248 published applications in this corpus.
Search patents in G02B- Granted patents
- 231
- Published applications
- 248
- Assignees
- 52
- Inventors
- 223
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 8 |
| 2003 | 6 | 4 |
| 2004 | 7 | 10 |
| 2005 | 5 | 2 |
| 2006 | 5 | 5 |
| 2007 | 6 | 8 |
| 2008 | 7 | 9 |
| 2009 | 12 | 8 |
| 2010 | 9 | 11 |
| 2011 | 8 | 8 |
| 2012 | 6 | 13 |
| 2013 | 9 | 10 |
| 2014 | 11 | 13 |
| 2015 | 12 | 10 |
| 2016 | 6 | 8 |
| 2017 | 16 | 9 |
| 2018 | 2 | 15 |
| 2019 | 15 | 6 |
| 2020 | 7 | 12 |
| 2021 | 6 | 12 |
| 2022 | 11 | 20 |
| 2023 | 12 | 15 |
| 2024 | 12 | 7 |
| 2025 | 15 | 15 |
| 2026 | 5 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Variable magnification optical system and imaging apparatus2 Jun 2026US 12,645,059 B2FUJIFILM Corporation
- Zoom optical system, optical apparatus and method for manufacturing the zoom optical system17 Mar 2026US 12,578,561 B2Nikon Corporation
- Optical system, optical apparatus and method for manufacturing the optical system17 Mar 2026US 12,578,562 B2Nikon Corporation
- Zoom lens and image capture apparatus having the same10 Mar 2026US 12,572,001 B2Canon Kabushiki Kaisha
- Zoom lens and image pickup apparatus having the same6 Jan 2026US 12,517,333 B2Canon Kabushiki Kaisha
- Variable magnification optical system and imaging apparatus13 Aug 2026US 2026/0235856 A1FUJIFILM Corporation
- Variable magnification optical system and imaging apparatus13 Aug 2026US 2026/0235857 A1FUJIFILM Corporation
- Zoom lens and image pickup apparatus16 Jul 2026US 2026/0202649 A1Canon Kabushiki Kaisha
- Zoom lens and image pickup apparatus16 Jul 2026US 2026/0202650 A1Canon Kabushiki Kaisha
- Zoom optical system, optical apparatus and method for manufacturing the zoom optical system18 Jun 2026US 2026/0169272 A1Nikon Corporation
Most cited
By later US patents
- Zoom lens and optical apparatus having the same61US 6,191,896 B1Canon Kabushiki Kaisha · 2001
- Zoom lens and optical apparatus having the same49US 6,233,099 B1Canon Kabushiki Kaisha · 2001
- Zoom lens with five lens groups41US 5,668,668 ANikon Corporation · 1997
- Zoom lens of retrofocus type41US 6,081,389 ACanon Kabushiki Kaisha · 2000
- Zoom lens36US 5,576,890 ACanon Kabushiki Kaisha · 1996