G02B 21/0068
Arrangements using polarisation
Official title: {arrangements using polarisation}
G02B21/0068 (Arrangements using polarisation) appears on 216 US grants and 192 published applications in this corpus.
Search patents in G02B- Granted patents
- 216
- Published applications
- 192
- Assignees
- 122
- Inventors
- 405
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 9 | 0 |
| 2001 | 3 | 6 |
| 2002 | 9 | 5 |
| 2003 | 5 | 7 |
| 2004 | 6 | 11 |
| 2005 | 8 | 8 |
| 2006 | 10 | 6 |
| 2007 | 3 | 6 |
| 2008 | 3 | 4 |
| 2009 | 7 | 5 |
| 2010 | 2 | 4 |
| 2011 | 5 | 8 |
| 2012 | 3 | 6 |
| 2013 | 8 | 5 |
| 2014 | 6 | 5 |
| 2015 | 6 | 8 |
| 2016 | 6 | 10 |
| 2017 | 4 | 8 |
| 2018 | 8 | 8 |
| 2019 | 8 | 11 |
| 2020 | 12 | 17 |
| 2021 | 9 | 11 |
| 2022 | 11 | 4 |
| 2023 | 11 | 5 |
| 2024 | 14 | 13 |
| 2025 | 8 | 8 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Intraoral scanner with optical system for minimizing stray light19 May 2026US 12,631,862 B23Shape A/S
- Optical apparatus19 May 2026US 12,631,888 B2Leica Microsystems CMS GmbH
- Fixture to securely bond transducers to an optical element25 Nov 2025US 12,479,047 B2IntraAction Corp.
- Super-resolution microscopic imaging method and apparatus based on common-path parallel fluorescence emission difference microscopy9 Sep 2025US 12,411,326 B2Zhejiang University
- Confocal scanner and confocal microscope8 Jul 2025US 12,352,942 B2Yokogawa Electric Corporation
- Disk unit, confocal scanner, and confocal microscope17 Sep 2026US 2026/0276962 A1Yokogawa Electric Corporation
- Observation device and observation method13 Aug 2026US 2026/0235858 A1Hamamatsu Photonics K.K.
- Intraoral scanner with optical system for minimizing stray light16 Jul 2026US 2026/0202652 A13Shape A/S
- Conversion method, optical device, and optical microscope21 Aug 2025US 2025/0264706 A1Nikon Corporation
- Light irradiation device, microscope, light irradiation method, and image acquisition method10 Jul 2025US 2025/0224604 A1Hamamatsu Photonics K.K.
Most cited
By later US patents
- Multiple layer, multiple track optical disk access by confocal interference microscopy using wavenumber domain reflectometry and background amplitude reduction and compensation252US 6,091,496 AZetetic Institute · 2000
- Confocal optical scanning system employing a fiber laser215US 5,887,009 AOptical Biopsy Technologies, Inc. · 1999
- Imaging system using polarization effects to enhance image quality180US 6,134,010 ALucid, Inc. · 2000
- Multiple layer confocal interference microscopy using wavenumber domain reflectometry and background amplitude reduction and compensation161US 6,480,285 B1Zetetic Institute · 2002
- Confocal scanning type of phase contrast microscope and scanning microscope160US 5,241,364 AFuji Photo Film Co., Ltd. · 1993