PlainPatent

CPC technology class · H05

H05K - Printed Circuits

Printed circuits; casings or constructional details of electric apparatus; manufacture of assemblages of electrical components. 62,449 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

62,449
US patents granted
#1/6
in H05
60.9%
H05 class share
+3%
5-yr velocity

The verdict

According to USPTO PatentsView, Printed Circuits ranks #24 of 670 CPC technology areas - 62,449 US patents granted since 2015, with recorded grant volume up 3% over five years.

#24
of 670 CPC technology areas
62,449
US patents granted, 2015–2025
Samsung
leading assignee (3,596)
+3%
grant velocity, last 5 yrs

How H05K's grant cadence moved

Between 2020–2024, H05K recorded 27,696 grants versus 26,992 in 2015–2019 (+3% equal-window velocity). Across complete years, output peaked in 2019 at 6,342 grants and bottomed in 2015 at 4,535 (+40% peak-over-trough). Lead assignee Samsung Electronics Co., Ltd. holds 5.8% of the class ; the top three share 10.0%.

Leaderboard read

H05K concentration, lead at 5.8%

Samsung Electronics Co., Ltd. leads this historical grant record at 5.8% of H05K - foreign corporation assignees hold 67% of class grants (32,422 of 48,526). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share
5.8%

3,596 of 62,449 grants

Top three share
10.0%

of the class's recorded grants

Lead over #2
2,127

more grants than International Business Machines Corporation

Where H05K sits inside H05

Among 6 subclasses in H05 (Electric Techniques NOT Otherwise Provided FOR), H05K ranks #1 and holds 60.9% of the parent class's 102,507 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

H05B 33,418 H05H 3,951 H05G 2,073 H05F 557 H05C 59

Rising assignees active in H05K

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. #1 Meta Platforms, Inc. 376x 2 → 751 company-wide · 11 in H05K
  2. #2 Block, Inc. 345x 1 → 345 company-wide · 5 in H05K
  3. #3 Shenzhen Shokz Co., Ltd. 288x 0 → 288 company-wide · 10 in H05K
  4. #4 Huawei Digital Power Technologies Co., Ltd. 245x 0 → 245 company-wide · 41 in H05K
  5. #5 Inspur Suzhou Intelligent Technology Co., Ltd. 217x 0 → 217 company-wide · 14 in H05K

H05K grants by year, peak 2019 (6,342)

US utility-patent grants per year in H05K, 2015–2025 - recent five years are up 3% versus 2015–2019.

4,0004,5005,0005,5006,0006,500 20152016201720182019202020212022202320242025 4,266

Who leads H05K?

The 12 most active assignees in Printed CIRCUITS; Casings OR Constructional Details OF Electric APPARATUS; Manufacture OF Assemblages OF Electrical Components - wider bars mean more grants

patents

What this shows Samsung is the most active filer in H05K, holding 3,596 of the 62,449 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 H05K
Rank Company Patents in H05K
#1 Samsung Electronics Co., Ltd. 3,596
#2 International Business Machines Corporation 1,469
#3 Murata Manufacturing Co., Ltd. 1,201
#4 Intel Corporation 1,132
#5 Apple Inc. 1,082
#6 Dell Products L.P. 1,004
#7 Panasonic Intellectual Property Management Co., Ltd. 712
#8 Fuji Corporation 662
#9 BOE Technology Group Co., Ltd. 653
#10 Mitsubishi Electric Corporation 514
#11 Fujitsu Limited 423
#12 LG Innotek Co., Ltd. 399
#13 Hewlett Packard Enterprise Development LP 381
#14 Microsoft Technology Licensing, LLC 379
#15 LG Display Co., Ltd. 377
#16 Quanta Computer Inc. 359
#17 Amazon Technologies, Inc. 358
#18 Sumitomo Electric Industries, Ltd. 347
#19 Sumitomo Wiring Systems, Ltd. 341
#20 Wistron Corporation 336

Footprint here vs. claim strategy

Each dot is a leading H05K 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 H05K assignees by class footprint. Bubble size = patents in H05K. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 510152025 01000200030004000 Patents in H05K Avg claims / patent (company-wide) SamsungInternational…Murata ManufacturingIntelAppleDell ProductsPanasonic Intellectual…FujiBoe Technology GroupMitsubishi ElectricFujitsuLg InnotekHewlett Packard…Microsoft Technology…
Top 14 H05K assignees by class footprint. Bubble size = patents in H05K. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Classes near H05K's 62,449-grant footprint

Nationwide nearest neighbors for H05K (#24 of 670 by volume ; lead share 5.8%) - not the H05 parent-class siblings above.

Nearest by grant volume

G09G 62,527 H01M 63,620 Y02P 65,929 C07K 58,046

Nearest by lead-assignee share

H01Q 5.8% H03F 5.7% B62B 5.7% C23G 5.8%

Questions about H05K

Which company holds the most patents in H05K?
Samsung Electronics Co., Ltd. leads H05K with 3,596 patents (5.8% of the subclass). By PatentsView assignee type, foreign corporations account for 67% of class grants.
Which H05K assignees grew fastest recently?
Among assignees with ≥5 grants in H05K, Meta Platforms, Inc. shows the highest company-wide grant multiple (376x: 2 grants in 2019–2021 → 751 in 2022–2024) while holding 11 patents in this subclass. Growth is company-wide, not class-only.
How does H05K compare inside parent class H05?
Inside H05 (Electric Techniques NOT Otherwise Provided FOR), H05K ranks #1 of 6 subclasses by grant volume and holds 60.9% of the parent class total. The largest sibling is H05B (33,418 grants).

What to do with this data

H05K in context - here's where to go next.

  • Samsung Electronics Co., Ltd. leads H05K with 3,596 grants in this class. See full portfolio
  • H05K ranks #24 of 670 by grant volume among all tracked CPC technology areas. See the ranking
  • Inside parent class H05, the largest sibling subclass is H05B with 33,418 grants. Explore H05B

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

Methodology - H05K figures are USPTO PatentsView granted-utility totals for this subclass (62,449 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.