G02B 21/22
Stereoscopic arrangements
G02B21/22 (Stereoscopic arrangements) appears on 569 US grants and 554 published applications in this corpus.
Search patents in G02B- Granted patents
- 569
- Published applications
- 554
- Assignees
- 223
- Inventors
- 920
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 13 | 0 |
| 1988 | 10 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 10 | 0 |
| 1995 | 5 | 0 |
| 1996 | 13 | 0 |
| 1997 | 9 | 0 |
| 1998 | 10 | 0 |
| 1999 | 15 | 0 |
| 2000 | 10 | 0 |
| 2001 | 22 | 11 |
| 2002 | 15 | 27 |
| 2003 | 6 | 14 |
| 2004 | 14 | 30 |
| 2005 | 7 | 22 |
| 2006 | 17 | 13 |
| 2007 | 12 | 18 |
| 2008 | 12 | 27 |
| 2009 | 15 | 23 |
| 2010 | 15 | 19 |
| 2011 | 20 | 21 |
| 2012 | 22 | 18 |
| 2013 | 18 | 29 |
| 2014 | 17 | 17 |
| 2015 | 17 | 21 |
| 2016 | 21 | 20 |
| 2017 | 16 | 32 |
| 2018 | 18 | 30 |
| 2019 | 29 | 26 |
| 2020 | 20 | 21 |
| 2021 | 25 | 31 |
| 2022 | 25 | 16 |
| 2023 | 17 | 17 |
| 2024 | 8 | 15 |
| 2025 | 13 | 20 |
| 2026 | 7 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Microscope system and system, method, and computer program for a microscope system8 Sep 2026US 12,730,294 B2Leica Instruments (Singapore) Pte. Ltd.
- Methods and systems for volumetric imaging8 Sep 2026US 12,730,295 B2Stellaromics, Inc.
- Low-costs surgical microscope11 Aug 2026US 12,702,520 B2Wisconsin Alumni Research Foundation
- Surgical microscope system13 Aug 2026US 2026/0235859 A1
- Stereoscopic images from multiple perspectives13 Aug 2026US 2026/0235860 A1Carl Zeiss Meditec AG
- Devices for providing an image stream and methods therefor13 Aug 2026US 2026/0238751 A1Leica Instruments (Singapore) Pte. Ltd.
- Surgical microscopes using red reflex illumination30 Jul 2026US 2026/0219484 A1
- Eyepiece system and surgical microscope23 Jul 2026US 2026/0211228 A1Anhui Dendrite Medical Equipment Co., Ltd.
Most cited
By later US patents
- Surgical microscope for conducting computer-supported stereotactic microsurgery and a method for operating the same219US 5,359,417 ACarl-Zeiss-Stiftung · 1994
- Long working distance interference microscope187US 6,721,094 B1Sandia Corporation · 2004
- Stereoscopic percutaneous visualization system143US 5,957,832 AHeartport, Inc. · 1999
- Stereoscopic percutaneous visualization system135US 5,588,949 AHeartport, Inc. · 1996
- Operating microscope providing an image of an obscured object123US 4,786,155 A1988