A61B 2562/0238
Optical sensor arrangements for performing transmission measurements on body tissue
A61B2562/0238 (Optical sensor arrangements for performing transmission measurements on body tissue) appears on 840 US grants and 1,232 published applications in this corpus.
Search patents in A61B- Granted patents
- 840
- Published applications
- 1,232
- Assignees
- 518
- Inventors
- 2,175
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 2 |
| 2002 | 2 | 4 |
| 2003 | 5 | 3 |
| 2004 | 2 | 5 |
| 2005 | 1 | 4 |
| 2006 | 4 | 9 |
| 2007 | 2 | 11 |
| 2008 | 4 | 9 |
| 2009 | 3 | 10 |
| 2010 | 4 | 18 |
| 2011 | 7 | 19 |
| 2012 | 5 | 16 |
| 2013 | 10 | 26 |
| 2014 | 20 | 27 |
| 2015 | 18 | 56 |
| 2016 | 21 | 99 |
| 2017 | 51 | 111 |
| 2018 | 45 | 109 |
| 2019 | 86 | 92 |
| 2020 | 71 | 97 |
| 2021 | 71 | 137 |
| 2022 | 82 | 81 |
| 2023 | 89 | 79 |
| 2024 | 87 | 90 |
| 2025 | 67 | 73 |
| 2026 | 44 | 45 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Time-of-flight measurement on user with cameras and position sensor6 Oct 2026US 12,751,628 B2Omni Medsci, Inc.
- Physiological measurement calibration15 Sep 2026US 12,733,847 B2Masimo Corporation
- Multimodal brain function signal acquisition device and method15 Sep 2026US 12,733,861 B2Kingfar International Inc.
- Wearable device and a method for selecting and interpreting light intensity data values applicable thereto8 Sep 2026US 12,727,794 B2National Taipei University of Technology
- Tissue oxygen saturation detection and related apparatus and methods8 Sep 2026US 12,727,796 B2Whoop, Inc.
- Method and apparatus for monitoring peripheral circulation in human limbs by integrating temperature feedback with composite optical measurement techniques24 Sep 2026US 2026/0283477 A1National Cheng Kung University
- Health Management24 Sep 2026US 2026/0283481 A1
- System for monitoring fetal status during childbirth24 Sep 2026US 2026/0283513 A1Heralife Medical, Inc.
- Method and system for detection of cognitive impairment17 Sep 2026US 2026/0272345 A1University of Houston System
- Signal processing device, medical photometer, non-transitory computer-readable medium, and photometry method10 Sep 2026US 2026/0262972 A1Nihon Kohden Corporation
Most cited
By later US patents
- Dispensing catheter and method1,832US 4,900,303 A1990
- Implantable sensor and system for in vivo measurement and control of fluid constituent levels1,362US 6,049,727 AAnimas Corporation · 2000
- Method and apparatus for reducing coupling between signals1,149US 7,003,338 B2Masimo Corporation · 2006
- Method and apparatus for demodulating signals in a pulse oximetry system1,090US 6,229,856 B1Masimo Corporation · 2001
- Method and apparatus for demodulating signals in a pulse oximetry system1,044US 6,643,530 B2Masimo Corporation · 2003