CPC technology class · G01

G01R - Measuring Electric Variables

Measuring electric variables; measuring magnetic variables. 53,716 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

Compiled by PlainPatent · May 15, 2026

53,716
US patents granted: #2/18
in G01: 13.7%
G01 class share: +9%
5-yr velocity

The verdict

According to USPTO PatentsView, Measuring Electric Variables ranks #29 of 670 CPC technology areas - 53,716 US patents granted since 2015, with recorded grant volume up 9% over five years.

#29
of 670 CPC technology areas: 53,716
US patents granted, 2015–2025: Samsung
leading assignee (1,236): +9%
grant velocity, last 5 yrs

How G01R's grant cadence moved

Between 2020–2024, G01R recorded 24,912 grants versus 22,778 in 2015–2019 (+9% equal-window velocity). Across complete years, output peaked in 2019 at 5,655 grants and bottomed in 2015 at 3,482 (+62% peak-over-trough). Lead assignee Texas Instruments Incorporated holds 2.1% of the class ; the top three share 5.6%.

Leaderboard read

G01R concentration, lead at 2.1%

Texas Instruments Incorporated leads this historical grant record at 2.1% of G01R - foreign corporation assignees hold 61% of class grants (21,302 of 35,057). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share: 2.1%
Top three share: 5.6%
Lead over #2: 158

Where G01R sits inside G01

Among 18 subclasses in G01 (MEASURING; Testing), G01R ranks #2 and holds 13.7% of the parent class's 393,430 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

G01N 115,972 G01S 52,756 G01C 32,360 G01B 22,043 G01J 16,402 G01M 14,845 G01V 14,307 G01D 14,112

Rising assignees active in G01R

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 LG Energy Solution, Ltd. 770x 2 → 1,539 company-wide · 330 in G01R
#2 Huawei Digital Power Technologies Co., Ltd. 245x 0 → 245 company-wide · 26 in G01R
#3 SK On Co., Ltd. 243x 0 → 243 company-wide · 19 in G01R
#4 Siemens Healthineers AG 222x 0 → 222 company-wide · 155 in G01R
#5 Inspur Suzhou Intelligent Technology Co., Ltd. 217x 0 → 217 company-wide · 6 in G01R

G01R grants by year, peak 2019 (5,655)

US utility-patent grants per year in G01R, 2015–2025 - recent five years are up 9% versus 2015–2019.

Texas Instruments…

1,109
Siemens Healthcare

951
Siemens Aktiengesellsc…

924
Infineon

759
Koniniklijke Philips

689
Taiwan Semiconductor…

606
Rohde & Schwarz & Kg

466
Robert Bosch

455
Allegro Microsystems

440
Tdk

405
Lg Energy Solution

330
Hitachi

315

What this shows Samsung is the most active filer in G01R, holding 1,236 of the 53,716 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 G01R
Rank	Company	Patents in G01R
#1	Texas Instruments Incorporated	1,109
#2	Siemens Healthcare Limited	951
#3	Siemens Aktiengesellschaft	924
#4	Infineon Technologies AG	759
#5	Koniniklijke Philips N.V.	689
#6	Taiwan Semiconductor Manufacturing Company Ltd.	606
#7	Rohde & Schwarz GmbH & Co. KG	466
#8	Robert Bosch GmbH	455
#9	Allegro MicroSystems, LLC	440
#10	TDK Corporation	405
#11	LG Energy Solution, Ltd.	330
#12	Hitachi, Ltd.	315
#13	STMicroelectronics SA	287
#14	Advantest Corporation	283
#15	Toshiba Medical Systems Corporation	263
#16	Canon Medical Systems Corporation	260
#17	Commissariat A L'energie Atomique ET AUX Energies Alternatives	244
#18	SK hynix Inc.	225
#19	ABB Schweiz AG	225
#20	Tektronix, Inc.	216

Footprint here vs. claim strategy

Each dot is a leading G01R 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 G01R assignees by class footprint. Bubble size = patents in G01R. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Classes near G01R's 53,716-grant footprint

Nationwide nearest neighbors for G01R (#29 of 670 by volume ; lead share 2.3%) - not the G01 parent-class siblings above.

Nearest by grant volume

G11C 53,783 B29C 53,431 G02F 52,876 G01S 52,756

Nearest by lead-assignee share

F04B 2.3% F28D 2.3% B22D 2.3% G16B 2.3%

Questions about G01R

Which company holds the most patents in G01R?

Samsung Electronics Co., Ltd. leads G01R with 1,236 patents (2.1% of the subclass). By PatentsView assignee type, foreign corporations account for 61% of class grants.

Which G01R assignees grew fastest recently?

Among assignees with ≥5 grants in G01R, LG Energy Solution, Ltd. shows the highest company-wide grant multiple (770x: 2 grants in 2019–2021 → 1,539 in 2022–2024) while holding 330 patents in this subclass. Growth is company-wide, not class-only.

How does G01R compare inside parent class G01?

Inside G01 (MEASURING; Testing), G01R ranks #2 of 18 subclasses by grant volume and holds 13.7% of the parent class total. The largest sibling is G01N (115,972 grants).

What to do with this data

G01R in context - here's where to go next.

Texas Instruments Incorporated leads G01R with 1,109 grants in this class. See full portfolio
G01R ranks #29 of 670 by grant volume among all tracked CPC technology areas. See the ranking
Inside parent class G01, the largest sibling subclass is G01N with 115,972 grants. Explore G01N

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

Methodology - G01R figures are USPTO PatentsView granted-utility totals for this subclass (53,716 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.