G02B 15/20
Having an additional movable lens or lens group for varying the objective
Official title: having an additional movable lens or lens group for varying the objective focal length
G02B15/20 (Having an additional movable lens or lens group for varying the objective) appears on 387 US grants and 506 published applications in this corpus.
Search patents in G02B- Granted patents
- 387
- Published applications
- 506
- Assignees
- 56
- Inventors
- 335
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 2 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 2 | 4 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 8 |
| 2014 | 2 | 21 |
| 2015 | 15 | 37 |
| 2016 | 29 | 33 |
| 2017 | 30 | 41 |
| 2018 | 29 | 39 |
| 2019 | 35 | 41 |
| 2020 | 36 | 45 |
| 2021 | 35 | 45 |
| 2022 | 36 | 33 |
| 2023 | 29 | 44 |
| 2024 | 29 | 38 |
| 2025 | 50 | 48 |
| 2026 | 23 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Zoom lens and imaging apparatus8 Sep 2026US 12,730,287 B2FUJIFILM Corporation
- Zoom optical system, optical apparatus, imaging apparatus and method for manufacturing the zoom optical system1 Sep 2026US 12,724,251 B2Nikon Corporation
- Rear attachment lens and image pickup optical system using the same1 Sep 2026US RE51,021 E1Canon Kabushiki Kaisha
- Variable magnification optical system, optical equipment, imaging equipment and method for manufacturing variable magnification optical system11 Aug 2026US 12,704,701 B2Nikon Corporation
- Zoom optical system, optical apparatus and method for manufacturing the zoom optical system14 Jul 2026US 12,681,278 B1Nikon Corporation
- Variable magnification optical system, optical equipment, and method for producing variable magnification optical system1 Oct 2026US 2026/0299267 A1Nikon Corporation
- Variable magnification optical system, optical apparatus, and method for producing variable magnification optical system17 Sep 2026US 2026/0276960 A1Nikon Corporation
- Zoom lens and image pickup apparatus3 Sep 2026US 2026/0259397 A1Canon Kabushiki Kaisha
- Zoom optical system, optical apparatus and method for manufacturing the zoom optical system27 Aug 2026US 2026/0251883 A1Nikon Corporation
- Zoom Lens and Imaging Apparatus20 Aug 2026US 2026/0244001 A1Apple Inc.
Most cited
By later US patents
- High zoom-ratio zoom lens system12US 7,813,051 B2Hoya Corporation · 2010
- Zoom lens and image pickup apparatus having the same12US 9,329,372 B2Canon Kabushiki Kaisha · 2016
- Zoom lens and image pickup apparatus including the same11US 9,500,842 B2Canon Kabushiki Kaisha · 2016
- Zoom lens and image pickup apparatus including the same10US 9,904,043 B2Canon Kabushiki Kaisha · 2018
- Optical system and image pickup apparatus including the same9US 9,829,681 B2Canon Kabushiki Kaisha · 2017