A61B 3/02
Subjective types, i.e. testing apparatus requiring the active assistance of the patient
A61B3/02 (Subjective types, i.e. testing apparatus requiring the active assistance of the patient) appears on 2,338 US grants and 2,535 published applications in this corpus.
Search patents in A61B- Granted patents
- 2,338
- Published applications
- 2,535
- Assignees
- 1,012
- Inventors
- 3,901
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 9 | 0 |
| 1978 | 11 | 0 |
| 1979 | 7 | 0 |
| 1980 | 9 | 0 |
| 1981 | 16 | 0 |
| 1982 | 14 | 0 |
| 1983 | 20 | 0 |
| 1984 | 12 | 0 |
| 1985 | 18 | 0 |
| 1986 | 13 | 0 |
| 1987 | 11 | 0 |
| 1988 | 17 | 0 |
| 1989 | 24 | 0 |
| 1990 | 13 | 0 |
| 1991 | 21 | 0 |
| 1992 | 14 | 0 |
| 1993 | 22 | 0 |
| 1994 | 17 | 0 |
| 1995 | 23 | 0 |
| 1996 | 26 | 0 |
| 1997 | 20 | 0 |
| 1998 | 29 | 0 |
| 1999 | 48 | 0 |
| 2000 | 28 | 0 |
| 2001 | 24 | 7 |
| 2002 | 30 | 24 |
| 2003 | 30 | 37 |
| 2004 | 27 | 49 |
| 2005 | 12 | 48 |
| 2006 | 14 | 38 |
| 2007 | 44 | 49 |
| 2008 | 53 | 58 |
| 2009 | 35 | 60 |
| 2010 | 54 | 56 |
| 2011 | 58 | 70 |
| 2012 | 38 | 66 |
| 2013 | 51 | 63 |
| 2014 | 71 | 86 |
| 2015 | 56 | 112 |
| 2016 | 90 | 104 |
| 2017 | 87 | 188 |
| 2018 | 80 | 124 |
| 2019 | 166 | 155 |
| 2020 | 134 | 173 |
| 2021 | 109 | 171 |
| 2022 | 137 | 183 |
| 2023 | 117 | 174 |
| 2024 | 122 | 143 |
| 2025 | 145 | 137 |
| 2026 | 96 | 160 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Eye tracking color vision tests6 Oct 2026US 12,751,612 B2Verily Health Inc.
- Apparatus and method for measuring visual acuity by using focus-tunable lens6 Oct 2026US 12,754,350 B2Samsung Electronics Co., Ltd.
- Light field processor system29 Sep 2026US 12,748,322 B2Magic Leap, Inc.
- Predicting clinical parameters relating to glaucoma from central visual field patterns22 Sep 2026US 12,740,698 B2Massachusetts Eye and Ear Infirmary
- Method for obtaining a visual field map of an observer22 Sep 2026US 12,740,699 B2UniversitäT Bern
- Methods, systems, and computer readable media for testing visual function using virtual mobility tests1 Oct 2026US 2026/0294230 A1The Trustees of the University of Pennsylvania
- Vision testing device1 Oct 2026US 2026/0294231 A1Fim Medical
- Visual field systems and methods for glaucoma diagnosis and monitoring by implementing adaptive map perimetry via head-mounted displays1 Oct 2026US 2026/0294232 A1Envision Health Technologies Inc.
- Systems and methods for testing and/or monitoring vision1 Oct 2026US 2026/0294233 A1Tilak Healthcare
- Method for measuring behavioral pattern during gaze shifting, method for determining progressive power lens, and device for measuring behavioral pattern during gaze shifting24 Sep 2026US 2026/0283462 A1Hoya Lens Thailand Ltd.
Most cited
By later US patents
- Systems and methods for high-resolution gaze tracking317US 8,929,589 B2Eyefluence, Inc. · 2015
- Virtual medical instrument for performing medical diagnostic testing on patients296US 5,623,925 ACMeD, Inc. · 1997
- Optical lens system with electro-active lens having alterably different focal lengths247US 6,619,799 B1E-Vision, LLC · 2003
- Optical measuring device and system160US 9,107,622 B2Sensomotoric Instruments Gesellschaft Fur Innovative Sensorik Mbh · 2015
- Method for refracting and dispensing electro-active spectacles159US 6,491,394 B1E-Vision, LLC · 2002