G02B 21/33
Immersion oils , or microscope systems or objectives for use with immersion
Official title: Immersion oils {, or microscope systems or objectives for use with immersion fluids}
G02B21/33 (Immersion oils , or microscope systems or objectives for use with immersion) appears on 358 US grants and 417 published applications in this corpus.
Search patents in G02B- Granted patents
- 358
- Published applications
- 417
- Assignees
- 179
- Inventors
- 695
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 2 |
| 2002 | 1 | 2 |
| 2003 | 1 | 2 |
| 2004 | 5 | 6 |
| 2005 | 2 | 15 |
| 2006 | 10 | 22 |
| 2007 | 12 | 20 |
| 2008 | 10 | 24 |
| 2009 | 17 | 12 |
| 2010 | 13 | 20 |
| 2011 | 11 | 11 |
| 2012 | 12 | 11 |
| 2013 | 20 | 12 |
| 2014 | 9 | 6 |
| 2015 | 3 | 20 |
| 2016 | 10 | 27 |
| 2017 | 17 | 22 |
| 2018 | 29 | 16 |
| 2019 | 25 | 27 |
| 2020 | 21 | 25 |
| 2021 | 17 | 33 |
| 2022 | 21 | 24 |
| 2023 | 16 | 15 |
| 2024 | 18 | 17 |
| 2025 | 20 | 13 |
| 2026 | 12 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Stimulated Raman scattering tomography system and method11 Aug 2026US 12,704,461 B2National University of Singapore
- Sample carrier and method for imaging a sample7 Jul 2026US 12,674,745 B2Leica Microsystems CMS GmbH
- Microscopy system and method using an immersion liquid7 Jul 2026US 12,674,970 B2Idea Machine Development Design & Production Ltd.
- Refractive index matching formulations16 Jun 2026US 12,656,231 B2Life Technologies Corporation
- Objective attachment for a microscope objective and apparatus for feeding and/or removing an immersion liquid9 Jun 2026US 12,650,587 B2Carl Zeiss Microscopy GmbH
- Immersion system, microscope and method for controlling an immersion system8 Oct 2026US 2026/0309968 A1
- Liquid supply and discharge device, liquid supply and discharge method, immersion objective lens system, gene sequencer, and biochemical assay method27 Aug 2026US 2026/0251894 A1MGI Tech Co., Ltd.
- Systems and Methods for High Throughput Single Molecule Tracking in Living Cells30 Jul 2026US 2026/0220796 A1Eikon Therapeutics, Inc.
- Detection optical system, detection device, flow cytometer, and imaging cytometer16 Jul 2026US 2026/0202309 A1Sony Group Corporation
- Flow cell imaging systems and methods, and flow cells and other substrates for use in the same9 Jul 2026US 2026/0194447 A1MGI Tech Co., Ltd.
Most cited
By later US patents
- Liquid immersion lens system and optical apparatus using the same320US 6,560,032 B2Olympus Optical Co., Ltd. · 2003
- High numerical aperture optical focusing device for use in data storage systems153US 6,181,485 B2Read-Rite Corporation · 2001
- Near field and solid immersion optical microscope140US 5,004,307 AThe Board of Trustees of the Leland Stanford Junior University · 1991
- Spectroscopic imaging device employing imaging quality spectral filters135US 5,377,003 AThe United States of America as represented by the Department of Health and Human Services · 1994
- Microfabricated rubber microscope using soft solid immersion lenses90US 7,042,649 B2California Institute of Technology · 2006