G02B 21/02
Objectives
G02B21/02 (Objectives) appears on 1,283 US grants and 1,348 published applications in this corpus.
Search patents in G02B- Granted patents
- 1,283
- Published applications
- 1,348
- Assignees
- 535
- Inventors
- 2,094
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 9 | 0 |
| 1978 | 7 | 0 |
| 1979 | 6 | 0 |
| 1980 | 14 | 0 |
| 1981 | 9 | 0 |
| 1982 | 6 | 0 |
| 1983 | 10 | 0 |
| 1984 | 2 | 0 |
| 1985 | 9 | 0 |
| 1986 | 7 | 0 |
| 1987 | 8 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 10 | 0 |
| 1992 | 11 | 0 |
| 1993 | 9 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 13 | 0 |
| 1997 | 6 | 0 |
| 1998 | 23 | 0 |
| 1999 | 17 | 0 |
| 2000 | 7 | 0 |
| 2001 | 10 | 5 |
| 2002 | 7 | 11 |
| 2003 | 14 | 21 |
| 2004 | 14 | 30 |
| 2005 | 10 | 22 |
| 2006 | 24 | 35 |
| 2007 | 19 | 25 |
| 2008 | 14 | 22 |
| 2009 | 20 | 33 |
| 2010 | 26 | 38 |
| 2011 | 22 | 28 |
| 2012 | 26 | 23 |
| 2013 | 25 | 51 |
| 2014 | 27 | 31 |
| 2015 | 40 | 63 |
| 2016 | 47 | 81 |
| 2017 | 49 | 116 |
| 2018 | 86 | 99 |
| 2019 | 99 | 94 |
| 2020 | 88 | 103 |
| 2021 | 80 | 93 |
| 2022 | 84 | 85 |
| 2023 | 53 | 67 |
| 2024 | 59 | 62 |
| 2025 | 79 | 59 |
| 2026 | 53 | 51 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatuses for a microscope system, microscope system, methods and computer program6 Oct 2026US 12,754,407 B2Leica Microsystems CMS GmbH
- Microscope objective lens15 Sep 2026US 12,736,792 B2AAC Optics (Changzhou) Co., Ltd.
- Reflection mechanisms of microscopic imaging devices, microscopic imaging devices and methods thereof8 Sep 2026US 12,730,296 B2Shanghai Ruiyu Biotech Co., Ltd.
- Infinity-corrected microscope objective for scanning applications8 Sep 2026US 12,730,304 B2Carl Zeiss Microscopy GmbH
- Methods and systems for aligning an optical instrument1 Sep 2026US 12,723,917 B2Thermo Electron Scientific Instruments LLC
- Microscope and Microscopy Method1 Oct 2026US 2026/0299275 A1
- Attachment lens24 Sep 2026US 2026/0287853 A1Mitsubishi Gas Chemical Company, Inc.
- Optical system and imaging apparatus24 Sep 2026US 2026/0287857 A1Sony Group Corporation
- Optical microscope and performance determination method24 Sep 2026US 2026/0287873 A1Evident Corporation
- Apochromatic immersion objective24 Sep 2026US 2026/0287874 A1
Most cited
By later US patents
- Liquid immersion lens system and optical apparatus using the same320US 6,560,032 B2Olympus Optical Co., Ltd. · 2003
- Microscope with tunable acoustic gradient index of refraction lens enabling multiple focal plan imaging215US 9,213,175 B22015
- Scanning probe optical microscope using a solid immersion lens160US 5,939,709 A1999
- Compound objective lens having two focal points144US 5,446,565 AMatsushita Electric Industrial Co., Ltd. · 1995
- Near field and solid immersion optical microscope140US 5,004,307 AThe Board of Trustees of the Leland Stanford Junior University · 1991