G02B 23/2423
Of the distal end
Official title: {of the distal end}
G02B23/2423 (Of the distal end) appears on 1,435 US grants and 1,645 published applications in this corpus.
Search patents in G02B- Granted patents
- 1,435
- Published applications
- 1,645
- Assignees
- 384
- Inventors
- 2,029
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 10 | 0 |
| 1988 | 12 | 0 |
| 1989 | 12 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 7 | 0 |
| 1994 | 10 | 0 |
| 1995 | 8 | 0 |
| 1996 | 11 | 0 |
| 1997 | 10 | 0 |
| 1998 | 12 | 0 |
| 1999 | 15 | 0 |
| 2000 | 13 | 0 |
| 2001 | 10 | 3 |
| 2002 | 12 | 10 |
| 2003 | 14 | 7 |
| 2004 | 10 | 19 |
| 2005 | 7 | 17 |
| 2006 | 7 | 20 |
| 2007 | 12 | 45 |
| 2008 | 13 | 33 |
| 2009 | 22 | 52 |
| 2010 | 25 | 50 |
| 2011 | 40 | 41 |
| 2012 | 40 | 50 |
| 2013 | 48 | 67 |
| 2014 | 61 | 82 |
| 2015 | 48 | 70 |
| 2016 | 54 | 117 |
| 2017 | 79 | 143 |
| 2018 | 82 | 122 |
| 2019 | 109 | 133 |
| 2020 | 107 | 148 |
| 2021 | 108 | 120 |
| 2022 | 97 | 105 |
| 2023 | 82 | 71 |
| 2024 | 92 | 48 |
| 2025 | 60 | 45 |
| 2026 | 29 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Illumination sources for multicore fiber endoscopes29 Sep 2026US 12,745,900 B2Zsquare Ltd.
- 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
- 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
- Imaging Device, Imaging System, and Method for Operating an Imaging Device27 Aug 2026US 2026/0254933 A1KARL STORZ GmbH&Co.KG
- Self-adaptive endoscope working distance adjustment system and endoscopic imaging system6 Aug 2026US 2026/0224095 A1Anhui Dendrite Optical Technology Co., Ltd.
Most cited
By later US patents
- Endoscope1,018US 9,829,698 B2Panasonic Corporation · 2017
- Structure of the distal end portion of an endoscope328US 5,427,087 AAsahi Kogaku Kogyo Kabushiki Kaisha · 1995
- Endoscope optical system and image pickup apparatus273US 5,912,764 AOlympus Optical Co., Ltd. · 1999
- Imaging catheter with integrated reference reflector271US 7,813,609 B2LightLab Imaging, Inc. · 2010
- Endoscope having bent circuit board247US 4,741,327 AOlympus Optical Co., Ltd. · 1988