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CPC technology class · Y02

Y02T - Climate Change Mitigation Technologies Related To Transpo…

Climate change mitigation technologies related to transportation. 81,138 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

81,138
US patents granted
#2/8
in Y02
20.3%
Y02 class share
-6%
5-yr velocity

The verdict

According to USPTO PatentsView, Climate Change Mitigation Technologies Related To Transpo… ranks #19 of 670 CPC technology areas - 81,138 US patents granted since 2015, with recorded grant volume down 6% over five years.

#19
of 670 CPC technology areas
81,138
US patents granted, 2015–2025
Toyota Jidosha
leading assignee (5,468)
-6%
grant velocity, last 5 yrs

How Y02T's grant cadence moved

Between 2020–2024, Y02T recorded 34,898 grants versus 37,223 in 2015–2019 (-6% equal-window velocity). Across complete years, output peaked in 2019 at 8,818 grants and bottomed in 2024 at 5,615 (+57% peak-over-trough). Lead assignee Toyota Jidosha Kabushiki Kaisha holds 6.7% of the class ; the top three share 16.2%.

Leaderboard read

Y02T concentration, lead at 6.7%

Toyota Jidosha Kabushiki Kaisha leads this historical grant record at 6.7% of Y02T - foreign corporation assignees hold 61% of class grants (43,307 of 70,590). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share
6.7%

5,468 of 81,138 grants

Top three share
16.2%

of the class's recorded grants

Lead over #2
952

more grants than Ford Global Technologies, LLC

Where Y02T sits inside Y02

Among 8 subclasses in Y02 (Technologies OR Applications FOR Mitigation OR Adaptation Against Climate Change), Y02T ranks #2 and holds 20.3% of the parent class's 399,122 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

Y02E 125,003 Y02P 65,929 Y02D 45,676 Y02B 34,811 Y02A 32,476 Y02W 9,860 Y02C 4,229

Rising assignees active in Y02T

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 · 111 in Y02T
  2. #2 RTX Corporation 662x 0 → 662 company-wide · 269 in Y02T
  3. #3 Mercedes-Benz Group AG 257x 0 → 257 company-wide · 65 in Y02T
  4. #4 Huawei Digital Power Technologies Co., Ltd. 245x 0 → 245 company-wide · 56 in Y02T
  5. #5 SK On Co., Ltd. 243x 0 → 243 company-wide · 7 in Y02T

Y02T grants by year, peak 2019 (8,818)

US utility-patent grants per year in Y02T, 2015–2025 - recent five years are down 6% versus 2015–2019.

2,0004,0006,0008,00010,000 20152016201720182019202020212022202320242025 3,488

Who leads Y02T?

The 12 most active assignees in Climate Change Mitigation Technologies Related TO Transportation - wider bars mean more grants

patents

What this shows Toyota Jidosha is the most active filer in Y02T, holding 5,468 of the 81,138 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 Y02T
Rank Company Patents in Y02T
#1 Toyota Jidosha Kabushiki Kaisha 5,468
#2 Ford Global Technologies, LLC 4,516
#3 Hyundai Motor Company 3,180
#4 General Electric Company 2,396
#5 GM Global Technology Operations LLC 1,841
#6 Honda Motor Co., Ltd. 1,724
#7 KIA Motors Corporation 1,721
#8 United Technologies Corporation 1,567
#9 The Boeing Company 1,431
#10 Raytheon Technologies Corporation 1,189
#11 Robert Bosch GmbH 1,161
#12 Denso Corporation 946
#13 Nissan Motor Co., Ltd. 911
#14 Airbus Operations Limited 803
#15 Safran Aircraft Engines 796
#16 Rolls-royce plc 786
#17 Mitsubishi Electric Corporation 693
#18 LG Chem, Ltd. 647
#19 Cummins Inc. 635
#20 Caterpillar Inc. 613

Footprint here vs. claim strategy

Each dot is a leading Y02T 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 Y02T assignees by class footprint. Bubble size = patents in Y02T. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 510152025 0200040006000 Patents in Y02T Avg claims / patent (company-wide) Toyota JidoshaFord GlobalHyundai MotorGeneral ElectricGm Global Technology…Honda MotorKia MotorsUnitedThe BoeingRaytheonRobert BoschDensoNissan MotorAirbus Operations
Top 14 Y02T assignees by class footprint. Bubble size = patents in Y02T. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Classes near Y02T's 81,138-grant footprint

Nationwide nearest neighbors for Y02T (#19 of 670 by volume ; lead share 6.7%) - not the Y02 parent-class siblings above.

Nearest by grant volume

G06N 88,089 C12N 68,530 G06V 95,291 Y02P 65,929

Nearest by lead-assignee share

A23D 6.7% G01Q 6.7% B24B 6.8% B61H 6.8%

Questions about Y02T

Which company holds the most patents in Y02T?
Toyota Jidosha Kabushiki Kaisha leads Y02T with 5,468 patents (6.7% of the subclass). By PatentsView assignee type, foreign corporations account for 61% of class grants.
Which Y02T assignees grew fastest recently?
Among assignees with ≥5 grants in Y02T, LG Energy Solution, Ltd. shows the highest company-wide grant multiple (770x: 2 grants in 2019–2021 → 1,539 in 2022–2024) while holding 111 patents in this subclass. Growth is company-wide, not class-only.
How does Y02T compare inside parent class Y02?
Inside Y02 (Technologies OR Applications FOR Mitigation OR Adaptation Against Climate Change), Y02T ranks #2 of 8 subclasses by grant volume and holds 20.3% of the parent class total. The largest sibling is Y02E (125,003 grants).

What to do with this data

Y02T in context - here's where to go next.

  • Toyota Jidosha Kabushiki Kaisha leads Y02T with 5,468 grants in this class. See full portfolio
  • Y02T ranks #19 of 670 by grant volume among all tracked CPC technology areas. See the ranking
  • Inside parent class Y02, the largest sibling subclass is Y02E with 125,003 grants. Explore Y02E

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

Methodology - Y02T figures are USPTO PatentsView granted-utility totals for this subclass (81,138 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.