G02B 21/0012
Surgical microscopes
Official title: {Surgical microscopes (counterbalanced structures for surgical microscopes G02B7/001)}
G02B21/0012 (Surgical microscopes) appears on 763 US grants and 979 published applications in this corpus.
Search patents in G02B- Granted patents
- 763
- Published applications
- 979
- Assignees
- 254
- Inventors
- 1,340
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 8 | 0 |
| 1999 | 14 | 0 |
| 2000 | 10 | 0 |
| 2001 | 8 | 5 |
| 2002 | 6 | 16 |
| 2003 | 9 | 14 |
| 2004 | 7 | 23 |
| 2005 | 10 | 23 |
| 2006 | 15 | 19 |
| 2007 | 11 | 17 |
| 2008 | 10 | 23 |
| 2009 | 12 | 20 |
| 2010 | 13 | 19 |
| 2011 | 23 | 26 |
| 2012 | 18 | 16 |
| 2013 | 22 | 21 |
| 2014 | 13 | 22 |
| 2015 | 11 | 35 |
| 2016 | 15 | 39 |
| 2017 | 39 | 51 |
| 2018 | 31 | 71 |
| 2019 | 46 | 67 |
| 2020 | 52 | 50 |
| 2021 | 57 | 101 |
| 2022 | 60 | 58 |
| 2023 | 54 | 72 |
| 2024 | 56 | 74 |
| 2025 | 51 | 57 |
| 2026 | 40 | 40 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ophthalmic observation apparatus6 Oct 2026US 12,751,618 B2Topcon Corporation
- Stereoscopic assembly, surgical microscope with stereoscopic assembly, and surgical set6 Oct 2026US 12,754,406 B2Schoelly Fiberoptic GmbH
- Auto-navigating digital surgical microscope29 Sep 2026US 12,746,069 B2Aesculap AG
- Medical visualisation system and method for video stabilisation in such a system29 Sep 2026US 12,750,584 B2Carl Zeiss Meditec AG
- Method, computer program, and data processing unit for creating at least one correction value for correcting fluorescence intensities in a fluorescence image, and optical observation system22 Sep 2026US 12,740,686 B2Carl Zeiss Meditec AG
- Non-contact wide angle viewing system with front lens assembly having anti-fogging, anti-reflective coating1 Oct 2026US 2026/0294240 A1Alcon Inc.
- Controller for a surgical microscope and method1 Oct 2026US 2026/0299270 A1
- Adjustable binocular tube and surgical microscope1 Oct 2026US 2026/0299277 A1Zumax Medical Co., Ltd.
- Apparatus for an Optical Imaging System, Optical Imaging System, Methods and Computer Program24 Sep 2026US 2026/0287879 A1Leica Instruments (Singapore) Pte. Ltd.
- Eye examination device and method for eye examination27 Aug 2026US 2026/0248388 A1Hooke Eye Exam Solutions Ltd.
Most cited
By later US patents
- Surgical microscope405US 6,434,416 B1Olympus Optical Co., Ltd. · 2002
- Optical coherence tomography assisted surgical apparatus363US 6,004,314 ACarl Zeiss AG · 1999
- OCT-assisted surgical microscope with multi-coordinate manipulator350US 5,795,295 ACarl Zeiss AG · 1998
- Voice activated microscope268US 4,989,253 AThe Montefiore Hospital Association of Western Pennsylvania · 1991
- Surgical microscope system249US 4,157,859 A1979