A61B 5/448
Hair evaluation
Official title: {Hair evaluation, e.g. for hair disorder diagnosis}
A61B5/448 (Hair evaluation) appears on 156 US grants and 240 published applications in this corpus.
Search patents in A61B- Granted patents
- 156
- Published applications
- 240
- Assignees
- 90
- Inventors
- 463
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 4 |
| 2003 | 1 | 5 |
| 2004 | 2 | 4 |
| 2005 | 0 | 3 |
| 2006 | 5 | 6 |
| 2007 | 2 | 5 |
| 2008 | 0 | 3 |
| 2009 | 5 | 1 |
| 2010 | 0 | 6 |
| 2011 | 2 | 5 |
| 2012 | 2 | 11 |
| 2013 | 5 | 4 |
| 2014 | 3 | 14 |
| 2015 | 7 | 7 |
| 2016 | 5 | 9 |
| 2017 | 1 | 10 |
| 2018 | 5 | 17 |
| 2019 | 10 | 27 |
| 2020 | 17 | 28 |
| 2021 | 14 | 21 |
| 2022 | 6 | 6 |
| 2023 | 15 | 13 |
| 2024 | 13 | 16 |
| 2025 | 8 | 11 |
| 2026 | 12 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for executing application having improved self-diagnosis accuracy for hair, and self-diagnosis service device for hair by using same1 Sep 2026US 12,725,250 B2Afs Inc.
- Method and system for analyzing hair characteristics25 Aug 2026US 12,714,359 B2MacroHI Co., Ltd.
- Methods and apparatus for analysing images of hair and skin on a body of a subject18 Aug 2026US 12,711,594 B2Koninklijke Philips N. V.
- Method and system for characterizing keratinous fibers, in particular human eyelashes4 Aug 2026US 12,697,061 B2L'oreal
- Grey-hair detection and treatment system16 Jun 2026US 12,653,290 B2L'oreal
- System and methods for performing a remote hair analysis11 Jun 2026US 2026/0157685 A1Spider Medical Ltd.
- Method for determining a condition of the internal structure of hair and associated device12 Mar 2026US 2026/0072000 A1Henkel AG & Co. KGaA
- Systems and methods for hair and scalp health analysis26 Feb 2026US 2026/0053428 A1
- Phototherapeutic illumination devices with data capturing13 Nov 2025US 2025/0345625 A1KNOW Bio, LLC
- Personal care device with camera30 Oct 2025US 2025/0338007 A1Preh Holding, LLC
Most cited
By later US patents
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- Method and instrument for selecting personal compatible colors95US 5,313,267 AChromatics Color Sciences International, Inc. · 1994
- Method and apparatus for detecting and measuring conditions affecting color92US 5,671,735 AChromatics Color Sciences International, Inc. · 1997
- Method and instrument for selecting personal compatible colors74US 5,311,293 AChromatics Color Sciences International, Inc. · 1994
- Method and apparatus for digital analysis of multiple component visible fields48US 4,807,163 A1989