G02B 23/2446
Of the image relay
Official title: {of the image relay (G02B23/26 takes precedence)}
G02B23/2446 (Of the image relay) appears on 254 US grants and 221 published applications in this corpus.
Search patents in G02B- Granted patents
- 254
- Published applications
- 221
- Assignees
- 103
- Inventors
- 396
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 5 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 8 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 4 |
| 2003 | 4 | 2 |
| 2004 | 3 | 5 |
| 2005 | 2 | 4 |
| 2006 | 2 | 6 |
| 2007 | 3 | 2 |
| 2008 | 1 | 3 |
| 2009 | 5 | 6 |
| 2010 | 3 | 1 |
| 2011 | 1 | 2 |
| 2012 | 2 | 5 |
| 2013 | 2 | 6 |
| 2014 | 4 | 12 |
| 2015 | 9 | 12 |
| 2016 | 6 | 12 |
| 2017 | 8 | 31 |
| 2018 | 19 | 22 |
| 2019 | 21 | 20 |
| 2020 | 21 | 21 |
| 2021 | 21 | 13 |
| 2022 | 18 | 14 |
| 2023 | 16 | 5 |
| 2024 | 9 | 5 |
| 2025 | 9 | 6 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Reversal system for a surgical instrument14 Jul 2026US 12,678,028 B2Olympus Winter & Ibe GmbH
- Dockable camera reel and camera control unit (CCU) system23 Jun 2026US 12,663,633 B1Seescan, Inc.
- Endoscope system, endoscope control method, and program with hysteresis compensation for autofovus control30 Dec 2025US 12,507,868 B2Sony Group Corporation
- Imaging system, endoscope system, camera unit, and scope of endoscope29 Jul 2025US 12,372,775 B2Olympus Medical Systems Corp.
- User interface for intraoral scanning with tooth color detection17 Jun 2025US 12,335,455 B2Align Technology, Inc.
- Disposable endoscope using plastic gradient-index lens27 Aug 2026US 2026/0251896 A1
- Intraoral scanner with hyperspectral imaging2 Oct 2025US 2025/0310502 A1Align Technology, Inc.
- Endoscope apparatus17 Jul 2025US 2025/0231394 A1
- Device for anti-fog endoscope system26 Jun 2025US 2025/0204766 A1Novelbeam Technology Inc.
- Calibrated intraoral scanning system8 May 2025US 2025/0143850 A1Align Technology, Inc.
Most cited
By later US patents
- Confocal imaging apparatus with curved focal surface158US 9,675,430 B2Align Technology, Inc. · 2017
- Endoscope138US 6,817,975 B1Intuitive Surgical, Inc. · 2004
- Optical system for endoscopes108US 5,793,539 AOlympus Optical Co., Ltd. · 1998
- Optical systems91US 4,168,882 AThe Secretary of State for Social Services in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland · 1979
- Three dimensional imaging apparatus with color sensor90US 10,708,574 B2Align Technology, Inc. · 2020