G02B 15/12
By adding telescopic attachments
Official title: by adding telescopic attachments (G02B15/14 takes precedence)
G02B15/12 (By adding telescopic attachments) appears on 48 US grants and 51 published applications in this corpus.
Search patents in G02B- Granted patents
- 48
- Published applications
- 51
- Assignees
- 29
- Inventors
- 78
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 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 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 4 |
| 2006 | 2 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 5 |
| 2014 | 1 | 0 |
| 2015 | 2 | 4 |
| 2016 | 1 | 1 |
| 2017 | 5 | 8 |
| 2018 | 4 | 3 |
| 2019 | 2 | 4 |
| 2020 | 3 | 3 |
| 2021 | 3 | 4 |
| 2022 | 3 | 4 |
| 2023 | 2 | 3 |
| 2024 | 1 | 1 |
| 2025 | 5 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Variable magnification optical component and ophthalmic apparatus16 Jun 2026US 12,656,585 B2Topcon Corporation
- Converter lens, interchangeable lens, and image capturing apparatus21 Oct 2025US 12,449,642 B2Canon Kabushiki Kaisha
- Accessory lens structures10 Jun 2025US 12,326,650 B2GoPro, Inc.
- Driving module and focusing mechanism including driving module20 May 2025US 12,306,461 B2Triple Win Technology(Shenzhen) Co. Ltd.
- Converter optical system6 May 2025US 12,292,553 B2Samsung Electro-Mechanics Co., Ltd.
- Converter lens, interchangeable lens, and image capturing apparatus22 Jan 2026US 2026/0023247 A1Canon Kabushiki Kaisha
- Accessory Lens Structures18 Sep 2025US 2025/0291235 A1GoPro, Inc.
- Variable magnification optical component and ophthalmic apparatus4 Apr 2024US 2024/0111135 A1Topcon Corporation
- Accessory lens structures28 Sep 2023US 2023/0305366 A1GoPro, Inc.
- Converter lens, interchangeable lens, and image capturing apparatus13 Apr 2023US 2023/0110115 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Add-on device with configurable optics for an image scanner for scanning barcodes146US 9,697,401 B2Hand Held Products, Inc. · 2017
- Zoom lens system23US 7,224,535 B2Panavision International, L.P. · 2007
- Zoom lens having an easily changeable range of variable focal distance14US 4,157,211 ACanon Kabushiki Kaisha · 1979
- Enlargement photographing apparatus14US 5,594,517 AOlympus Optical Co., Ltd. · 1997
- Zoom lens system13US 6,961,188 B2Panavision, Inc. · 2005