PlainPatent

CPC technology class · G01

G01N - Investigating Or Analysing Materials By Determining Their…

Investigating or analysing materials by determining their chemical or physical properties. 115,972 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

115,972
US patents granted
#1/18
in G01
29.5%
G01 class share
+5%
5-yr velocity

The verdict

According to USPTO PatentsView, Investigating Or Analysing Materials By Determining Their… ranks #12 of 670 CPC technology areas - 115,972 US patents granted since 2015, with recorded grant volume up 5% over five years.

#12
of 670 CPC technology areas
115,972
US patents granted, 2015–2025
The Regents of the…
leading assignee (1,153)
+5%
grant velocity, last 5 yrs

How G01N's grant cadence moved

Between 2020–2024, G01N recorded 50,865 grants versus 48,382 in 2015–2019 (+5% equal-window velocity). Across complete years, output peaked in 2020 at 11,355 grants and bottomed in 2015 at 8,495 (+34% peak-over-trough). Lead assignee The Regents of the University of California holds 1.0% of the class ; the top three share 2.7%.

Leaderboard read

G01N concentration, lead at 1.0%

The Regents of the University of California leads this historical grant record at 1.0% of G01N - us corporation assignees hold 51% of class grants (46,651 of 91,083). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share
1.0%

1,153 of 115,972 grants

Top three share
2.7%

of the class's recorded grants

Lead over #2
42

more grants than Shimadzu Corporation

Where G01N sits inside G01

Among 18 subclasses in G01 (MEASURING; Testing), G01N ranks #1 and holds 29.5% 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.

G01R 53,716 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 G01N

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 · 84 in G01N
  2. #2 RTX Corporation 662x 0 → 662 company-wide · 28 in G01N
  3. #3 Exxon Mobil Technology and Engineering Company 298x 0 → 298 company-wide · 31 in G01N
  4. #4 Resonac Corporation 192x 0 → 192 company-wide · 17 in G01N
  5. #5 Topgolf Callaway Brands Corp. 144x 0 → 144 company-wide · 16 in G01N

G01N grants by year, peak 2020 (11,355)

US utility-patent grants per year in G01N, 2015–2025 - recent five years are up 5% versus 2015–2019.

7,0008,0009,00010,00011,00012,000 20152016201720182019202020212022202320242025 7,422

Who leads G01N?

The 12 most active assignees in Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties - wider bars mean more grants

patents

What this shows The Regents of the… is the most active filer in G01N, holding 1,153 of the 115,972 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 G01N
Rank Company Patents in G01N
#1 The Regents of the University of California 1,153
#2 Shimadzu Corporation 1,111
#3 Saudi Arabian OIL Company 837
#4 Halliburton Energy Services, Inc. 816
#5 The Boeing Company 701
#6 General Electric Company 634
#7 Kla-tencor Corporation 583
#8 Massachusetts Institute of Technology 530
#9 Canon Kabushiki Kaisha 523
#10 Schlumberger Technology Corporation 523
#11 Hitachi High-tech Corporation 515
#12 Sysmex Corporation 499
#13 Life Technologies Corporation 495
#14 Roche Diagnostics Operations, Inc. 482
#15 Becton, Dickinson and Company 481
#16 Centre National DE LA Recherche Scientifique 472
#17 Hitachi High-Technologies Corporation 469
#18 President and Fellows of Harvard College 464
#19 Waters Technologies Corporation 444
#20 The Board of Trustees of the Leland Stanford Junior University 443

Footprint here vs. claim strategy

Each dot is a leading G01N 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 G01N assignees by class footprint. Bubble size = patents in G01N. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 510152025 40060080010001200 Patents in G01N Avg claims / patent (company-wide) The Regents of the…ShimadzuSaudi Arabian OilHalliburton Energy…The BoeingGeneral ElectricKla-tencorMassachusetts…CanonSchlumberger…Hitachi High-techSysmexLifeRoche Diagnostics…
Top 14 G01N assignees by class footprint. Bubble size = patents in G01N. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Classes near G01N's 115,972-grant footprint

Nationwide nearest neighbors for G01N (#12 of 670 by volume ; lead share 1.0%) - not the G01 parent-class siblings above.

Nearest by grant volume

G02B 115,576 Y02E 125,003 A61P 125,535 H04B 101,407

Nearest by lead-assignee share

B01F 1.0% E02D 1.0% F16L 1.1% C07B 1.1%

Questions about G01N

Which company holds the most patents in G01N?
The Regents of the University of California leads G01N with 1,153 patents (1.0% of the subclass). By PatentsView assignee type, us corporations account for 51% of class grants.
Which G01N assignees grew fastest recently?
Among assignees with ≥5 grants in G01N, LG Energy Solution, Ltd. shows the highest company-wide grant multiple (770x: 2 grants in 2019–2021 → 1,539 in 2022–2024) while holding 84 patents in this subclass. Growth is company-wide, not class-only.
How does G01N compare inside parent class G01?
Inside G01 (MEASURING; Testing), G01N ranks #1 of 18 subclasses by grant volume and holds 29.5% of the parent class total. The largest sibling is G01R (53,716 grants).

What to do with this data

G01N in context - here's where to go next.

  • The Regents of the University of California leads G01N with 1,153 grants in this class. See full portfolio
  • G01N ranks #12 of 670 by grant volume among all tracked CPC technology areas. See the ranking
  • Inside parent class G01, the largest sibling subclass is G01R with 53,716 grants. Explore G01R

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

Methodology - G01N figures are USPTO PatentsView granted-utility totals for this subclass (115,972 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.