G02B 23/24
Instruments or systems for viewing the inside of hollow bodies
Official title: Instruments {or systems} for viewing the inside of hollow bodies, e.g. fibrescopes
G02B23/24 (Instruments or systems for viewing the inside of hollow bodies) appears on 4,965 US grants and 5,657 published applications in this corpus.
Search patents in G02B- Granted patents
- 4,965
- Published applications
- 5,657
- Assignees
- 1,099
- Inventors
- 6,313
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 11 | 0 |
| 1978 | 9 | 0 |
| 1979 | 10 | 0 |
| 1980 | 6 | 0 |
| 1981 | 21 | 0 |
| 1982 | 13 | 0 |
| 1983 | 15 | 0 |
| 1984 | 7 | 0 |
| 1985 | 13 | 0 |
| 1986 | 24 | 0 |
| 1987 | 47 | 0 |
| 1988 | 54 | 0 |
| 1989 | 47 | 0 |
| 1990 | 43 | 0 |
| 1991 | 31 | 0 |
| 1992 | 34 | 0 |
| 1993 | 42 | 0 |
| 1994 | 32 | 0 |
| 1995 | 27 | 0 |
| 1996 | 34 | 0 |
| 1997 | 37 | 0 |
| 1998 | 47 | 0 |
| 1999 | 62 | 0 |
| 2000 | 39 | 0 |
| 2001 | 36 | 18 |
| 2002 | 55 | 40 |
| 2003 | 49 | 40 |
| 2004 | 46 | 63 |
| 2005 | 26 | 56 |
| 2006 | 34 | 70 |
| 2007 | 30 | 126 |
| 2008 | 41 | 118 |
| 2009 | 59 | 189 |
| 2010 | 67 | 146 |
| 2011 | 95 | 130 |
| 2012 | 133 | 163 |
| 2013 | 136 | 213 |
| 2014 | 180 | 277 |
| 2015 | 181 | 254 |
| 2016 | 168 | 399 |
| 2017 | 264 | 555 |
| 2018 | 311 | 454 |
| 2019 | 376 | 480 |
| 2020 | 390 | 480 |
| 2021 | 347 | 415 |
| 2022 | 341 | 290 |
| 2023 | 265 | 229 |
| 2024 | 293 | 201 |
| 2025 | 211 | 162 |
| 2026 | 121 | 89 |
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.
- Control apparatus, recording medium recording learned model, and movement support method29 Sep 2026US 12,748,298 B2Olympus Corporation
- Endoscopic system with electrical bridge in distal tip22 Sep 2026US 12,740,692 B2Karl Storz Endovision, Inc.
- Imaging system22 Sep 2026US 12,742,733 B2Sony Group Corporation
- Sensor attachment bracket and sensor assembly22 Sep 2026US 12,742,957 B2Isuzu Motors Limited
- System and computer implemented method for controlling a flexible device whilst inspecting or repairing a component8 Oct 2026US 2026/0307242 A1ROLLS-ROYCE plc
- Control module for inspection tool1 Oct 2026US 2026/0299280 A1Milwaukee Electric Tool Corporation
- Optical system and imaging apparatus24 Sep 2026US 2026/0287857 A1Sony Group Corporation
- Imaging System Including Two Image Sensors Enabling Multiple Imaging Modes24 Sep 2026US 2026/0287881 A1KARL STORZ GmbH&Co.KG
- Medical instrumentation utilizing narrowband imaging24 Sep 2026US 2026/0292322 A1Nsv LLC
Most cited
By later US patents
- Endoscope shaft with slotted tube2,127US 6,749,560 B1Circon Corporation · 2004
- Flexible ureteropyeloscope1,853US 6,780,151 B2ACMI Corporation · 2004
- Industrial endoscope system having a rotary treatment member1,407US 5,155,941 AOlympus Optical Co., Ltd. · 1992
- Articulating arm for positioning a tool at a location1,165US 7,171,279 B2Oliver Crispin Robotics Limited · 2007
- Processor for electronic endoscope and electronic endoscope apparatus1,107US 9,332,890 B2Hoya Corporation · 2016