PlainPatent

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 filing trajectory.

53,716
US patents granted
G01
Parent CPC class
20
Active assignees
+24%
5-yr velocity

The verdict

Measuring Electric Variables ranks #29 of 670 CPC technology areas - 53,716 US patents granted since 2015, with filing up 24% over five years.

#29
of 670 CPC technology areas
53,716
US patents granted, 2015–2025
Samsung
leading assignee (1,236)
+24%
filing velocity, last 5 yrs
Top assignee: Samsung Electronics Co., Ltd. (1,236 patents)

CPC subclass G01R - MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES - covers 53,716 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class G01 (MEASURING; TESTING). See our CPC classification guide for how the system works.

The competitive landscape in G01R is shaped by 20 distinct companies actively filing in this space. Samsung Electronics Co., Ltd. leads with 1,236 patents, followed by Siemens Healthcare Limited at 951 grants and Siemens Aktiengesellschaft at 924.

Filing activity in G01R is up 24% 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 G01R innovation accelerating?

US utility-patent grants per year in G01R, 2015–2025 - recent five years are up 24% versus 2015–2019.

3,0004,0005,0006,000 20152016201720182019202020212022202320242025 3,376

Who leads G01R?

The 12 most active assignees in MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES - wider bars mean more grants

patents

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.

Source USPTO PatentsView, granted utility patents As of 2015–2025 grant years
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

About This Class

CPC subclass G01R belongs to class G01.

53,716 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 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).

Top 14 G01R assignees by class footprint. Bubble size = patents in G01R. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 10152025 20040060080010001200 Patents in G01R Avg claims / patent (company-wide) Texas Instruments Inc…Siemens HealthcareSiemens Aktiengesells…InfineonKoniniklijke PhilipsTaiwan Semiconductor…Rohde & Schwarz & KgRobert BoschAllegro MicrosystemsTdkLg Energy SolutionHitachiStmicroelectronicsAdvantest
Top 14 G01R assignees by class footprint. Bubble size = patents in G01R. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class G01R?
CPC subclass G01R covers MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES. It belongs to CPC class G01 (MEASURING; TESTING), with 53,716 US utility patents granted since 2015.
How many patents have been filed in G01R?
53,716 US utility patents were granted in CPC subclass G01R between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in G01R?
Samsung Electronics Co., Ltd. leads G01R with 1,236 patents, making it the most active assignee in this technology area.
How is patent data for G01R 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., G01) is a broad technology category. Subclasses like G01R 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.