CPC technology class · H03

H03F - Amplifiers

Amplifiers. 14,014 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

Compiled by PlainPatent · May 15, 2026

14,014
US patents granted: #3/10
in H03: 14.7%
H03 class share: -7%
5-yr velocity

The verdict

According to USPTO PatentsView, Amplifiers ranks #135 of 670 CPC technology areas - 14,014 US patents granted since 2015, with recorded grant volume down 7% over five years.

#135
of 670 CPC technology areas: 14,014
US patents granted, 2015–2025: Skyworks Solutions
leading assignee (802): -7%
grant velocity, last 5 yrs

How H03F's grant cadence moved

Between 2020–2024, H03F recorded 6,208 grants versus 6,687 in 2015–2019 (-7% equal-window velocity). Across complete years, output peaked in 2020 at 1,487 grants and bottomed in 2024 at 1,066 (+39% peak-over-trough). Lead assignee Skyworks Solutions, Inc. holds 5.7% of the class ; the top three share 14.6%.

Leaderboard read

H03F concentration, lead at 5.7%

Skyworks Solutions, Inc. leads this historical grant record at 5.7% of H03F - us corporation assignees hold 55% of class grants (5,309 of 9,713). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share: 5.7%
Top three share: 14.6%
Lead over #2: 72

Where H03F sits inside H03

Among 10 subclasses in H03 (Electronic Circuitry), H03F ranks #3 and holds 14.7% of the parent class's 95,387 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

H03K 30,872 H03M 21,338 H03H 11,825 H03L 6,701 H03G 5,213 H03B 3,110 H03D 1,165 H03J 659

Rising assignees active in H03F

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 LX Semicon Co., Ltd. 177x 0 → 177 company-wide · 5 in H03F
#2 Wolfspeed, Inc. 80x 2 → 159 company-wide · 31 in H03F
#3 Bfly Operations, Inc. 15x 7 → 104 company-wide · 8 in H03F
#4 Skyworks Global PTE. Ltd. 13x 2 → 25 company-wide · 8 in H03F
#5 Elite Semiconductor Microelectronics Technology Inc. 8.50x 4 → 34 company-wide · 14 in H03F

H03F grants by year, peak 2020 (1,487)

US utility-patent grants per year in H03F, 2015–2025 - recent five years are down 7% versus 2015–2019.

Skyworks Solutions

802
Murata Manufacturing

730
Qualcomm Incorporated

518
Texas Instruments…

442
Qorvo Us

371
Cirrus Logic

303
Nxp Usa

248
psemi

200
Telefonaktiebolaget…

198
Fujitsu

182
Stmicroelectronics

174
Mediatek

159

What this shows Skyworks Solutions is the most active filer in H03F, holding 802 of the 14,014 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 H03F
Rank	Company	Patents in H03F
#1	Skyworks Solutions, Inc.	802
#2	Murata Manufacturing Co., Ltd.	730
#3	Qualcomm Incorporated	518
#4	Texas Instruments Incorporated	442
#5	Qorvo US, Inc.	371
#6	Cirrus Logic, Inc.	303
#7	NXP USA, Inc.	248
#8	pSemi Corporation	200
#9	Telefonaktiebolaget LM Ericsson (Publ)	198
#10	Fujitsu Limited	182
#11	STMicroelectronics SA	174
#12	Mediatek Inc.	159
#13	Analog Devices, Inc.	151
#14	NXP B.V.	146
#15	Realtek Semiconductor Corp.	144
#16	Infineon Technologies AG	135
#17	Macom Technology Solutions Holdings, Inc.	85
#18	Analog Devices International Unlimited Company	81
#19	Semiconductor Components Industries, LLC	80
#20	Renesas Electronics Corporation	78

Footprint here vs. claim strategy

Each dot is a leading H03F 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 H03F assignees by class footprint. Bubble size = patents in H03F. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Classes near H03F's 14,014-grant footprint

Nationwide nearest neighbors for H03F (#135 of 670 by volume ; lead share 5.7%) - not the H03 parent-class siblings above.

Nearest by grant volume

A61Q 14,001 B65H 13,990 F24F 14,049 C12P 13,948

Nearest by lead-assignee share

H01M 5.7% B62B 5.7% H05K 5.8% H01Q 5.8%

Questions about H03F

Which company holds the most patents in H03F?

Skyworks Solutions, Inc. leads H03F with 802 patents (5.7% of the subclass). By PatentsView assignee type, us corporations account for 55% of class grants.

Which H03F assignees grew fastest recently?

Among assignees with ≥5 grants in H03F, LX Semicon Co., Ltd. shows the highest company-wide grant multiple (177x: 0 grants in 2019–2021 → 177 in 2022–2024) while holding 5 patents in this subclass. Growth is company-wide, not class-only.

How does H03F compare inside parent class H03?

Inside H03 (Electronic Circuitry), H03F ranks #3 of 10 subclasses by grant volume and holds 14.7% of the parent class total. The largest sibling is H03K (30,872 grants).

What to do with this data

H03F in context - here's where to go next.

Skyworks Solutions, Inc. leads H03F with 802 grants in this class. See full portfolio
H03F ranks #135 of 670 by grant volume among all tracked CPC technology areas. See the ranking
Inside parent class H03, the largest sibling subclass is H03K with 30,872 grants. Explore H03K

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

Methodology - H03F figures are USPTO PatentsView granted-utility totals for this subclass (14,014 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.