G02B 23/243
Objectives for endoscopes
Official title: {Objectives for endoscopes}
G02B23/243 (Objectives for endoscopes) appears on 847 US grants and 915 published applications in this corpus.
Search patents in G02B- Granted patents
- 847
- Published applications
- 915
- Assignees
- 199
- Inventors
- 1,047
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 9 | 0 |
| 1997 | 7 | 0 |
| 1998 | 8 | 0 |
| 1999 | 8 | 0 |
| 2000 | 8 | 0 |
| 2001 | 8 | 2 |
| 2002 | 7 | 5 |
| 2003 | 11 | 4 |
| 2004 | 6 | 11 |
| 2005 | 5 | 4 |
| 2006 | 6 | 10 |
| 2007 | 8 | 16 |
| 2008 | 3 | 13 |
| 2009 | 9 | 32 |
| 2010 | 15 | 29 |
| 2011 | 22 | 25 |
| 2012 | 17 | 17 |
| 2013 | 29 | 37 |
| 2014 | 28 | 44 |
| 2015 | 28 | 30 |
| 2016 | 25 | 68 |
| 2017 | 51 | 92 |
| 2018 | 54 | 74 |
| 2019 | 65 | 67 |
| 2020 | 67 | 85 |
| 2021 | 71 | 75 |
| 2022 | 62 | 49 |
| 2023 | 51 | 43 |
| 2024 | 48 | 33 |
| 2025 | 39 | 29 |
| 2026 | 17 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Endoscope imaging device and endoscope in which drive malfunction of lens drive unit is suppressed15 Sep 2026US 12,736,797 B2FUJIFILM Corporation
- Medical endoscopic instrument18 Aug 2026US 12,708,249 B2Richard Wolf GmbH
- Medical imaging system and imaging device11 Aug 2026US 12,702,271 B2Sony Group Corporation
- Optical scanning system and method4 Aug 2026US 12,699,261 B2Stevens CAD/CAM, LLC
- Objective optical system for endoscope and endoscope having same7 Jul 2026US 12,674,971 B2Olympus Corporation
- Optical system and imaging apparatus24 Sep 2026US 2026/0287857 A1Sony Group Corporation
- Laminated optical system and endoscope17 Sep 2026US 2026/0276951 A1Olympus Medical Systems Corp.
- Disposable endoscope using plastic gradient-index lens27 Aug 2026US 2026/0251896 A1
- Self-adaptive endoscope working distance adjustment system and endoscopic imaging system6 Aug 2026US 2026/0224095 A1Anhui Dendrite Optical Technology Co., Ltd.
- Imaging optical system and imaging apparatus6 Aug 2026US 2026/0227602 A1Sony Group Corporation
Most cited
By later US patents
- Endoscope1,018US 9,829,698 B2Panasonic Corporation · 2017
- Endoscope optical system and image pickup apparatus273US 5,912,764 AOlympus Optical Co., Ltd. · 1999
- Objective lens system for endoscopes232US 4,877,314 AOlympus Optical Co., Ltd. · 1989
- Arrangements and methods for providing multimodality microscopic imaging of one or more biological structures195US 7,872,759 B2The General Hospital Corporation · 2011
- Ojective lens for endoscope186US 4,984,878 AFuji Photo Optical Co., Ltd. · 1991