PlainPatent

CPC technology class · A45

A45D - Hairdressing OR Shaving Equipment

Hairdressing or shaving equipment ; equipment for cosmetics or cosmetic treatments, e.g. for manicuring or pedicuring. 4,762 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

4,762
US patents granted
A45
Parent CPC class
20
Active assignees
+45%
5-yr velocity

The verdict

Hairdressing OR Shaving Equipment ranks #254 of 670 CPC technology areas - 4,762 US patents granted since 2015, with filing up 45% over five years.

#254
of 670 CPC technology areas
4,762
US patents granted, 2015–2025
L'oreal
leading assignee (522)
+45%
filing velocity, last 5 yrs
Top assignee: L'oreal (522 patents)

CPC subclass A45D - HAIRDRESSING OR SHAVING EQUIPMENT ; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING - covers 4,762 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class A45 (HAND OR TRAVELLING ARTICLES). See our CPC classification guide for how the system works.

The competitive landscape in A45D is shaped by 20 distinct companies actively filing in this space. L'oreal leads with 522 patents, followed by The Procter & Gamble Company at 145 grants and Casio Computer Co., Ltd. at 88.

Filing activity in A45D is up 45% over the past five years versus 2015-2019, a sharp acceleration suggesting an emerging or fast-moving technology area. All counts come directly from USPTO PatentsView and reflect US granted utility patents only.

Is A45D innovation accelerating?

US utility-patent grants per year in A45D, 2015–2025 - recent five years are up 45% versus 2015–2019.

250300350400450500550 20152016201720182019202020212022202320242025 333

Who leads A45D?

The 12 most active assignees in HAIRDRESSING OR SHAVING EQUIPMENT ; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING - wider bars mean more grants

patents

What this shows L'oreal is the most active filer in A45D, holding 522 of the 4,762 patents in this class. Concentration at the top signals how contestable this technology area is for new entrants.

Source USPTO PatentsView, granted utility patents As of 2015–2025 grant years
View data table
Top patent holders in CPC subclass A45D
Rank Company Patents in A45D
#1 L'oreal 522
#2 The Procter & Gamble Company 145
#3 Casio Computer Co., Ltd. 88
#4 Albea Services 73
#5 ELC Management Llc 72
#6 Amorepacific Corporation 68
#7 Dyson Technology Limited 65
#8 Yonwoo Co., Ltd. 61
#9 Henkel Ag & Co. Kgaa 60
#10 KAO Corporation 51
#11 Chanel Parfums Beaute 48
#12 SEB S.a. 47
#13 Tokiwa Corporation 47
#14 May Patents Ltd. 43
#15 HCT Group Holdings Limited 41
#16 Curiouser Products Inc. 41
#17 Colgate-palmolive Company 38
#18 The Braun Corporation 38
#19 Pum-tech Korea Co., Ltd 34
#20 Shiseido Company, Limited 32

About This Class

CPC subclass A45D belongs to class A45.

4,762 patents were granted in this class between 2015 and 2025.

20 companies actively patent in this space.

Classification System

Cooperative Patent Classification (CPC) is a hierarchical patent classification system used by the USPTO and EPO.

← All Technology Classes Technology Rankings →

Footprint here vs. claim strategy

Each dot is a leading A45D assignee, placed by how many patents it holds in this class (horizontal) against its company-wide average claims per patent (vertical) - a read on whether the class is led by broad-but-shallow filers or focused deep-claim players.

Top 14 A45D assignees by class footprint. Bubble size = patents in A45D. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Top 14 A45D assignees by class footprint. Bubble size = patents in A45D. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 0102030405060 0200400600 Patents in A45D Avg claims / patent (company-wide) L'orealThe Procter & GambleCasio ComputerAlbea ServicesElc ManagementAmorepacificDyson TechnologyYonwooHenkel & KgaaKaoChanel Parfums BeauteSebTokiwaMay Patents
Top 14 A45D assignees by class footprint. Bubble size = patents in A45D. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class A45D?
CPC subclass A45D covers HAIRDRESSING OR SHAVING EQUIPMENT ; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING. It belongs to CPC class A45 (HAND OR TRAVELLING ARTICLES), with 4,762 US utility patents granted since 2015.
How many patents have been filed in A45D?
4,762 US utility patents were granted in CPC subclass A45D between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in A45D?
L'oreal leads A45D with 522 patents, making it the most active assignee in this technology area.
How is patent data for A45D collected?
Patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office. It covers all US granted utility patents and assigns CPC codes based on the technology described in each patent.
What is the difference between CPC class and subclass?
A CPC class (e.g., A45) is a broad technology category. Subclasses like A45D provide finer granularity within that category. PlainPatent organizes data at the subclass level (4-character codes) for the most useful view of technology domains.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent Editorial

Every figure on PlainPatent is rendered directly from USPTO source data, no number is typed in by an editor. This page draws directly on USPTO source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.