PlainPatent

CPC technology class · Y02

Y02D - Climate Change Mitigation Technologies In Information And…

Climate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use. 45,676 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

45,676
US patents granted
#4/8
in Y02
11.4%
Y02 class share
-1%
5-yr velocity

The verdict

According to USPTO PatentsView, Climate Change Mitigation Technologies In Information And… ranks #38 of 670 CPC technology areas - 45,676 US patents granted since 2015, with recorded grant volume down 1% over five years.

#38
of 670 CPC technology areas
45,676
US patents granted, 2015–2025
Intel
leading assignee (3,144)
-1%
grant velocity, last 5 yrs

How Y02D's grant cadence moved

Between 2020–2024, Y02D recorded 20,853 grants versus 21,148 in 2015–2019 (-1% equal-window velocity). Across complete years, output peaked in 2019 at 4,527 grants and bottomed in 2015 at 3,833 (+18% peak-over-trough). Lead assignee Intel Corporation holds 6.9% of the class ; the top three share 17.9%.

Leaderboard read

Y02D concentration, lead at 6.9%

Intel Corporation leads this historical grant record at 6.9% of Y02D - us corporation assignees hold 53% of class grants (20,858 of 39,088). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share
6.9%

3,144 of 45,676 grants

Top three share
17.9%

of the class's recorded grants

Lead over #2
498

more grants than Samsung Electronics Co., Ltd.

Where Y02D sits inside Y02

Among 8 subclasses in Y02 (Technologies OR Applications FOR Mitigation OR Adaptation Against Climate Change), Y02D ranks #4 and holds 11.4% 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 Y02T 81,138 Y02P 65,929 Y02B 34,811 Y02A 32,476 Y02W 9,860 Y02C 4,229

Rising assignees active in Y02D

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 Inspur Suzhou Intelligent Technology Co., Ltd. 217x 0 → 217 company-wide · 37 in Y02D
  2. #2 Beijing Zitiao Network Technology Co., Ltd. 203x 0 → 203 company-wide · 10 in Y02D
  3. #3 Lemon Inc. 199x 1 → 199 company-wide · 6 in Y02D
  4. #4 Huawei Cloud Computing Technologies Co., Ltd. 144x 0 → 144 company-wide · 8 in Y02D
  5. #5 Fulian Precision Electronics (Tianjin) Co., Ltd. 118x 0 → 118 company-wide · 21 in Y02D

Y02D grants by year, peak 2019 (4,527)

US utility-patent grants per year in Y02D, 2015–2025 - recent five years are down 1% versus 2015–2019.

2,5003,0003,5004,0004,5005,000 20152016201720182019202020212022202320242025 2,713

Who leads Y02D?

The 12 most active assignees in Climate Change Mitigation Technologies IN Information AND Communication Technologies [ICT], I.E. Information AND Communication Technologies Aiming AT THE Reduction OF Their OWN Energy USE - wider bars mean more grants

patents

What this shows Intel is the most active filer in Y02D, holding 3,144 of the 45,676 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 Y02D
Rank Company Patents in Y02D
#1 Intel Corporation 3,144
#2 Samsung Electronics Co., Ltd. 2,646
#3 Qualcomm Incorporated 2,369
#4 Apple Inc. 1,643
#5 Huawei Technologies Co., Ltd. 1,421
#6 LG Electronics Inc. 1,169
#7 International Business Machines Corporation 1,118
#8 Telefonaktiebolaget LM Ericsson (Publ) 991
#9 Micron Technology, Inc. 925
#10 Canon Kabushiki Kaisha 766
#11 Microsoft Technology Licensing, LLC 600
#12 Dell Products L.P. 569
#13 SK hynix Inc. 482
#14 Google LLC 480
#15 Advanced Micro Devices, Inc. 439
#16 Fujitsu Limited 431
#17 Texas Instruments Incorporated 421
#18 Guangdong Oppo Mobile Telecommunications Corp., Ltd. 394
#19 ZTE Corporation 385
#20 Intel IP Corporation 363

Footprint here vs. claim strategy

Each dot is a leading Y02D 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 Y02D assignees by class footprint. Bubble size = patents in Y02D. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 1015202530 01000200030004000 Patents in Y02D Avg claims / patent (company-wide) IntelSamsungQualcomm IncorporatedAppleHuaweiLgInternational…Telefonaktiebolaget…Micron TechnologyCanonMicrosoft Technology…Dell ProductsSk hynixGoogle
Top 14 Y02D assignees by class footprint. Bubble size = patents in Y02D. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Classes near Y02D's 45,676-grant footprint

Nationwide nearest neighbors for Y02D (#38 of 670 by volume ; lead share 6.9%) - not the Y02 parent-class siblings above.

Nearest by grant volume

G05B 46,942 B01D 43,096 B60R 42,931 G16H 42,899

Nearest by lead-assignee share

G21F 6.9% C09C 6.8% B23C 6.8% F23Q 6.8%

Questions about Y02D

Which company holds the most patents in Y02D?
Intel Corporation leads Y02D with 3,144 patents (6.9% of the subclass). By PatentsView assignee type, us corporations account for 53% of class grants.
Which Y02D assignees grew fastest recently?
Among assignees with ≥5 grants in Y02D, Inspur Suzhou Intelligent Technology Co., Ltd. shows the highest company-wide grant multiple (217x: 0 grants in 2019–2021 → 217 in 2022–2024) while holding 37 patents in this subclass. Growth is company-wide, not class-only.
How does Y02D compare inside parent class Y02?
Inside Y02 (Technologies OR Applications FOR Mitigation OR Adaptation Against Climate Change), Y02D ranks #4 of 8 subclasses by grant volume and holds 11.4% of the parent class total. The largest sibling is Y02E (125,003 grants).

What to do with this data

Y02D in context - here's where to go next.

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

Methodology - Y02D figures are USPTO PatentsView granted-utility totals for this subclass (45,676 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.