A61N 5/0617
Hair treatment
Official title: {Hair treatment}
A61N5/0617 (Hair treatment) appears on 284 US grants and 457 published applications in this corpus.
Search patents in A61N- Granted patents
- 284
- Published applications
- 457
- Assignees
- 176
- Inventors
- 604
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 3 |
| 2002 | 5 | 6 |
| 2003 | 11 | 11 |
| 2004 | 5 | 17 |
| 2005 | 5 | 14 |
| 2006 | 5 | 21 |
| 2007 | 11 | 17 |
| 2008 | 7 | 17 |
| 2009 | 5 | 12 |
| 2010 | 7 | 26 |
| 2011 | 11 | 29 |
| 2012 | 11 | 14 |
| 2013 | 11 | 12 |
| 2014 | 15 | 27 |
| 2015 | 11 | 22 |
| 2016 | 14 | 14 |
| 2017 | 14 | 23 |
| 2018 | 4 | 15 |
| 2019 | 16 | 21 |
| 2020 | 16 | 19 |
| 2021 | 11 | 13 |
| 2022 | 13 | 24 |
| 2023 | 4 | 16 |
| 2024 | 9 | 15 |
| 2025 | 17 | 23 |
| 2026 | 13 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Beauty device6 Oct 2026US 12,751,534 B2Amogreentech Co., Ltd.
- Depilator15 Sep 2026US 12,733,724 B2Shenzhen Ulike Smart Electronics Co., Ltd.
- Heated brush with hollow bristles for air and light application4 Aug 2026US 12,697,504 B2L'ange Hair, Inc.
- Phototherapy devices for treatment of dermatological disorders of the scalp28 Jul 2026US 12,691,298 B2KNOW Bio, LLC
- Handheld quad-modal scalp treatment device for enhanced hair loss therapeutics21 Jul 2026US 12,685,877 B1Elliyora, Inc.
- Phototherapy devices for treatment of dermatological disorders of the scalp8 Oct 2026US 2026/0306869 A1KNOW Bio, LLC
- Headwear device for providing light therapy8 Oct 2026US 2026/0306870 A1Shenzhen Rainbow Light Medical Equipment Co., Ltd.
- Physiotherapy comb and method of activating the same1 Oct 2026US 2026/0295292 A1Shenzhen Nuon Medical Equipment Co., Ltd.
- Therapy device for stimulating hair growth1 Oct 2026US 2026/0295293 A1Shenzhen Nuon Medical Equipment Co., Ltd.
- Multifunctional comb and method of treating scalp using the same24 Sep 2026US 2026/0283326 A1Shenzhen Nuon Medical Equipment Co., Ltd.
Most cited
By later US patents
- Methods and devices for inhibiting hair growth and related skin treatments1,686US 6,050,990 AThermoLase Corporation · 2000
- Method and apparatus for the selective targeting of lipid-rich tissues514US 6,605,080 B1Palomar Medical Technologies, Inc. · 2003
- Method and apparatus for dermatology treatment417US 6,273,884 B1Palomar Medical Technologies, Inc. · 2001
- Method and apparatus for temperature control of biologic tissue with simultaneous irradiation343US 6,475,211 B2Cool Laser Optics, Inc. · 2002
- Light energy delivery head326US 6,517,532 B1Palomar Medical Technologies, Inc. · 2003