PlainPatent

CPC technology class · H02

H02J - Circuit Arrangements OR Systems FOR Supplying OR Distribu…

Circuit arrangements or systems for supplying or distributing electric power; systems for storing electric energy. 49,883 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

49,883
US patents granted
H02
Parent CPC class
20
Active assignees
+33%
5-yr velocity

The verdict

Circuit Arrangements OR Systems FOR Supplying OR Distribu… ranks #35 of 670 CPC technology areas - 49,883 US patents granted since 2015, with filing up 33% over five years.

#35
of 670 CPC technology areas
49,883
US patents granted, 2015–2025
Samsung
leading assignee (1,729)
+33%
filing velocity, last 5 yrs
Top assignee: Samsung Electronics Co., Ltd. (1,729 patents)

CPC subclass H02J - CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - covers 49,883 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class H02 (GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER). See our CPC classification guide for how the system works.

The competitive landscape in H02J is shaped by 20 distinct companies actively filing in this space. Samsung Electronics Co., Ltd. leads with 1,729 patents, followed by Panasonic Intellectual Property Management Co., Ltd. at 657 grants and Apple Inc. at 608.

Filing activity in H02J is up 33% 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 H02J innovation accelerating?

US utility-patent grants per year in H02J, 2015–2025 - recent five years are up 33% versus 2015–2019.

2,0003,0004,0005,0006,000 20152016201720182019202020212022202320242025 3,610

Who leads H02J?

The 12 most active assignees in CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - wider bars mean more grants

patents

What this shows Samsung is the most active filer in H02J, holding 1,729 of the 49,883 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 H02J
Rank Company Patents in H02J
#1 Toyota Jidosha Kabushiki Kaisha 904
#2 Panasonic Intellectual Property Management Co., Ltd. 657
#3 Apple Inc. 608
#4 General Electric Company 590
#5 Robert Bosch Gmbh 437
#6 Honda Motor Co., Ltd. 404
#7 Qualcomm Incorporated 393
#8 Siemens Aktiengesellschaft 368
#9 ABB Schweiz Ag 323
#10 Energous Corporation 274
#11 Guangdong OPPO Mobile Telecommunications Corp., Ltd. 268
#12 LG Innotek Co., Ltd. 259
#13 Murata Manufacturing Co., Ltd. 249
#14 KIA Motors Corporation 249
#15 Witricity Corporation 228
#16 LG Energy Solution, Ltd. 226
#17 Nucurrent, Inc. 223
#18 Solaredge Technologies Ltd. 215
#19 Kyocera Corporation 211
#20 Dell Products L.p. 206

About This Class

CPC subclass H02J belongs to class H02.

49,883 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 H02J 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 H02J assignees by class footprint. Bubble size = patents in H02J. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Top 14 H02J assignees by class footprint. Bubble size = patents in H02J. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 5101520253035 2004006008001000 Patents in H02J Avg claims / patent (company-wide) Toyota JidoshaPanasonic Intellectua…AppleGeneral ElectricRobert BoschHonda MotorQualcomm IncorporatedSiemens Aktiengesells…Abb SchweizEnergousGuangdong Oppo Mobile…Lg InnotekMurata ManufacturingKia Motors
Top 14 H02J assignees by class footprint. Bubble size = patents in H02J. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class H02J?
CPC subclass H02J covers CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY. It belongs to CPC class H02 (GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER), with 49,883 US utility patents granted since 2015.
How many patents have been filed in H02J?
49,883 US utility patents were granted in CPC subclass H02J between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in H02J?
Samsung Electronics Co., Ltd. leads H02J with 1,729 patents, making it the most active assignee in this technology area.
How is patent data for H02J 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., H02) is a broad technology category. Subclasses like H02J 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.