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 grant trajectory.

49,883
US patents granted
#1/9
in H02
30.9%
H02 class share
+15%
5-yr velocity

The verdict

According to USPTO PatentsView, Circuit Arrangements Or Systems For Supplying Or Distribu… ranks #35 of 670 CPC technology areas - 49,883 US patents granted since 2015, with recorded grant volume up 15% over five years.

#35
of 670 CPC technology areas
49,883
US patents granted, 2015–2025
Samsung
leading assignee (1,729)
+15%
grant velocity, last 5 yrs

How H02J's grant cadence moved

Between 2020–2024, H02J recorded 23,587 grants versus 20,432 in 2015–2019 (+15% equal-window velocity). Across complete years, output peaked in 2019 at 5,302 grants and bottomed in 2015 at 2,831 (+87% peak-over-trough). Lead assignee Toyota Jidosha Kabushiki Kaisha holds 1.8% of the class ; the top three share 4.3%.

Leaderboard read

H02J concentration, lead at 1.8%

Toyota Jidosha Kabushiki Kaisha leads this historical grant record at 1.8% of H02J - foreign corporation assignees hold 58% of class grants (18,953 of 32,772). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share
1.8%

904 of 49,883 grants

Top three share
4.3%

of the class's recorded grants

Lead over #2
247

more grants than Panasonic Intellectual Property Management Co., Ltd.

Where H02J sits inside H02

Among 9 subclasses in H02 (GENERATION; Conversion OR Distribution OF Electric Power), H02J ranks #1 and holds 30.9% of the parent class's 161,326 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

H02M 33,952 H02K 26,848 H02P 16,031 H02G 11,084 H02H 10,591 H02S 6,483 H02N 3,799 H02B 2,655

Rising assignees active in H02J

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 LG Energy Solution, Ltd. 770x 2 → 1,539 company-wide · 226 in H02J
  2. #2 Huawei Digital Power Technologies Co., Ltd. 245x 0 → 245 company-wide · 168 in H02J
  3. #3 SK On Co., Ltd. 243x 0 → 243 company-wide · 12 in H02J
  4. #4 Inspur Suzhou Intelligent Technology Co., Ltd. 217x 0 → 217 company-wide · 5 in H02J
  5. #5 NIO Technology (ANHUI) Co., Ltd 121x 0 → 121 company-wide · 7 in H02J

H02J grants by year, peak 2019 (5,302)

US utility-patent grants per year in H02J, 2015–2025 - recent five years are up 15% 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

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). Scatter plot of 14 data points (bubble-sized by third dimension). 5101520253035 2004006008001000 Patents in H02J Avg claims / patent (company-wide) Toyota JidoshaPanasonic Intellectual…AppleGeneral ElectricRobert BoschHonda MotorQualcomm IncorporatedSiemens Aktiengesellsc…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).

Classes near H02J's 49,883-grant footprint

Nationwide nearest neighbors for H02J (#35 of 670 by volume ; lead share 3.5%) - not the H02 parent-class siblings above.

Nearest by grant volume

H04M 49,631 H10K 50,923 A61F 50,959 G01S 52,756

Nearest by lead-assignee share

A23G 3.5% A47F 3.5% C22B 3.5% F16J 3.5%

Questions about H02J

Which company holds the most patents in H02J?
Samsung Electronics Co., Ltd. leads H02J with 1,729 patents (1.8% of the subclass). By PatentsView assignee type, foreign corporations account for 58% of class grants.
Which H02J assignees grew fastest recently?
Among assignees with ≥5 grants in H02J, LG Energy Solution, Ltd. shows the highest company-wide grant multiple (770x: 2 grants in 2019–2021 → 1,539 in 2022–2024) while holding 226 patents in this subclass. Growth is company-wide, not class-only.
How does H02J compare inside parent class H02?
Inside H02 (GENERATION; Conversion OR Distribution OF Electric Power), H02J ranks #1 of 9 subclasses by grant volume and holds 30.9% of the parent class total. The largest sibling is H02M (33,952 grants).

What to do with this data

H02J in context - here's where to go next.

  • Toyota Jidosha Kabushiki Kaisha leads H02J with 904 grants in this class. See full portfolio
  • H02J ranks #35 of 670 by grant volume among all tracked CPC technology areas. See the ranking
  • Inside parent class H02, the largest sibling subclass is H02M with 33,952 grants. Explore H02M

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

Methodology - H02J figures are USPTO PatentsView granted-utility totals for this subclass (49,883 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.