A61B 5/161
Flicker fusion testing
Official title: {Flicker fusion testing (eye testing A61B3/00)}
A61B5/161 (Flicker fusion testing) appears on 54 US grants and 58 published applications in this corpus.
Search patents in A61B- Granted patents
- 54
- Published applications
- 58
- Assignees
- 47
- Inventors
- 170
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 3 | 1 |
| 2009 | 0 | 3 |
| 2010 | 0 | 6 |
| 2011 | 1 | 2 |
| 2012 | 0 | 2 |
| 2013 | 2 | 0 |
| 2014 | 3 | 2 |
| 2015 | 2 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 5 |
| 2018 | 1 | 3 |
| 2019 | 2 | 4 |
| 2020 | 0 | 5 |
| 2021 | 3 | 7 |
| 2022 | 1 | 2 |
| 2023 | 5 | 4 |
| 2024 | 3 | 0 |
| 2025 | 4 | 4 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Brain-computer interface for user's visual focus detection30 Jun 2026US 12,667,298 B2Massachusetts Institute of Technology
- Adjusting frame rate based upon detected change in stimulus attribute16 Jun 2026US 12,658,081 B2Microsoft Technology Licensing, LLC
- Methods of treating hepatic encephalopathy29 Apr 2025US 12,285,414 B2Salix Pharmaceuticals, Inc.
- Content generation and control using sensor data for detection of neurological state15 Apr 2025US 12,274,551 B2Warner Bros. Entertainment Inc.
- Transillumination of iris muscles to infer stroma deformation1 Apr 2025US 12,265,935 B2Senseye, Inc.
- Method for determining the physiological states of an operator, and associated computer program and determination system30 Apr 2026US 2026/0114821 A1Thales
- Methods and systems for assessing selective attention capabilities in virtual environments12 Mar 2026US 2026/0069178 A1Zenni Optical, Inc.
- Adjusting frame rate based upon detected change in stimulus attribute4 Dec 2025US 2025/0372007 A1Microsoft Technology Licensing, LLC
- Method and system for obtaining an optical prescription based on determined values of a fatigue parameter2 Oct 2025US 2025/0302297 A1Essilor International
- Methods of treating hepatic encephalopathy17 Jul 2025US 2025/0228828 A1Salix Pharmaceuticals, Inc.
Most cited
By later US patents
- Equipment for testing or measuring brain activity146US 5,331,969 ASwinburne Limited · 1994
- Optical method and device for determining blood glucose levels141US 6,113,537 A2000
- Optical method and device for determining blood glucose levels134US 5,713,353 A1998
- Method and apparatus for determining visual latency35US 4,012,128 AWilkinson Sword Limited · 1977
- Method for use in diagnosis of glaucoma33US 5,065,767 AThe Australian National University · 1991