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 grant trajectory.

Compiled by PlainPatent · May 15, 2026

4,762
US patents granted: #1/4
in A45: 40.9%
A45 class share: +28%
5-yr velocity

The verdict

According to USPTO PatentsView, Hairdressing Or Shaving Equipment ranks #254 of 670 CPC technology areas - 4,762 US patents granted since 2015, with recorded grant volume up 28% over five years.

#254
of 670 CPC technology areas: 4,762
US patents granted, 2015–2025: L'oreal
leading assignee (522): +28%
grant velocity, last 5 yrs

How A45D's grant cadence moved

Between 2020–2024, A45D recorded 2,453 grants versus 1,915 in 2015–2019 (+28% equal-window velocity). Across complete years, output peaked in 2021 at 515 grants and bottomed in 2015 at 291 (+77% peak-over-trough). Lead assignee L'Oreal holds 11.0% of the class ; the top three share 15.9%.

Leaderboard read

A45D concentration, lead at 11.0%

L'Oreal leads this historical grant record at 11.0% of A45D - foreign corporation assignees hold 65% of class grants (2,202 of 3,403). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share: 11.0%
Top three share: 15.9%
Lead over #2: 377

Where A45D sits inside A45

Among 4 subclasses in A45 (Hand OR Travelling Articles), A45D ranks #1 and holds 40.9% of the parent class's 11,654 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

A45C 3,658 A45F 2,798 A45B 436

Rising assignees active in A45D

Company-wide grant multiples (2022–2024 vs 2019–2021) among assignees with ≥5 patents in this subclass. Growth is company-wide; class patent counts are subclass-specific.

#1 BIC Violex Single Member S.A. 65x 0 → 65 company-wide · 9 in A45D
#2 Shenzhen Ulike Smart Electronics Co., Ltd. 8.00x 0 → 8 company-wide · 5 in A45D
#3 Shenzhen Carku Technology Co., Limited 6.33x 6 → 38 company-wide · 7 in A45D
#4 Applied Lacquer Industries Inc. 5.00x 1 → 5 company-wide · 5 in A45D
#5 Lashify, Inc. 4.83x 12 → 58 company-wide · 13 in A45D

A45D grants by year, peak 2021 (515)

US utility-patent grants per year in A45D, 2015–2025 - recent five years are up 28% versus 2015–2019.

L'oreal

522
The Procter & Gamble

145
Casio Computer

88
Albea Services

73
Elc Management

72
Amorepacific

68
Dyson Technology

65
Yonwoo

61
Henkel & Kgaa

60
Kao

51
Chanel Parfums Beaute

48
Seb

47

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.

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

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).

Classes near A45D's 4,762-grant footprint

Nationwide nearest neighbors for A45D (#254 of 670 by volume ; lead share 11.0%) - not the A45 parent-class siblings above.

Nearest by grant volume

A47G 4,697 C03B 4,651 E05D 4,538 B62K 4,996

Nearest by lead-assignee share

A01C 11.0% E01C 10.9% F05B 11.0% E21F 10.9%

Questions about A45D

Which company holds the most patents in A45D?

L'Oreal leads A45D with 522 patents (11.0% of the subclass). By PatentsView assignee type, foreign corporations account for 65% of class grants.

Which A45D assignees grew fastest recently?

Among assignees with ≥5 grants in A45D, BIC Violex Single Member S.A. shows the highest company-wide grant multiple (65x: 0 grants in 2019–2021 → 65 in 2022–2024) while holding 9 patents in this subclass. Growth is company-wide, not class-only.

How does A45D compare inside parent class A45?

Inside A45 (Hand OR Travelling Articles), A45D ranks #1 of 4 subclasses by grant volume and holds 40.9% of the parent class total. The largest sibling is A45C (3,658 grants).

What to do with this data

A45D in context - here's where to go next.

L'Oreal leads A45D with 522 grants in this class. See full portfolio
A45D ranks #254 of 670 by grant volume among all tracked CPC technology areas. See the ranking
Inside parent class A45, the largest sibling subclass is A45C with 3,658 grants. Explore A45C

Figures reflect USPTO PatentsView grant data through 2026-05-15; pending applications not yet granted are not counted.

Methodology - A45D figures are USPTO PatentsView granted-utility totals for this subclass (4,762 grants in the tracked window).

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.