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AlibabaAlphabet (Google)CXMT

Technology portfolios compared in the same window and counting units. Scale is compared only within the same field or subclass.

Same window · published 2025-01-01 — 2025-12-31Some name or date coverage is incomplete; affected counts are lower bounds

This is a structural comparison of collected portfolios. The same requested window does not establish equal entity scope, covered months or industry; no competitive ranking is inferred.

Applicant-name coverage differs. The counts below cover only the listed names and do not represent complete company portfolios.

Alibaba: Applicant names included in these statistics — ALIBABA CHINA CO LTD · ALIBABA CLOUD COMPUTING CO LTD · ALIBABA CLOUD COMPUTING LTD · ALIBABA GROUP HOLDING LTDReviewed names not covered — ALIBABA (CHINA) CO., LTD. · ALIBABA CLOUD COMPUTING CO., LTD. · ALIBABA CLOUD COMPUTING LTD. · ALIBABA GROUP HOLDING LIMITED · 阿里云计算有限公司 · 阿里巴巴集团控股有限公司 · 阿里巴巴(中国)有限公司

Alphabet (Google): Applicant names included in these statistics — GOOGLE INC · GOOGLE LLCReviewed names not covered — GOOGLE INC. · GOOGLE LLC (N.D.GES.D. STAATES DELAWARE) · GOOGLE LLC (N.D.GES.D.STAATES DELAWARE) · GOOGLE LLC.

CXMT: Applicant names included in these statistics — CHANGXIN MEMORY TECH INC · CHANGXIN MEMORY TECHNOLOGIES INC · CHANGXIN TECH GROUP CO LTD · CXMT CORPReviewed names not covered — CHANGXIN MEMORY TECHNOLOGIES, INC. · CXMT CORPORATION · 睿力集成电路有限公司 · 长鑫存储技术有限公司 · 长鑫科技集团股份有限公司

Alibaba

Publications
1,101
Invention share
96%
Concentration
0.51
Green technology
—

Alphabet (Google)

Publications
8,710
Invention share
92%
Concentration
0.52
Green technology
—

CXMT

Publications
1,570
Invention share
98%
Concentration
0.58
Green technology
—
0.95

Alibaba × Alphabet (Google)

0.41

Alibaba × CXMT

0.45

Alphabet (Google) × CXMT

Cosine similarity of application counts across 35 fields. 1 is identical, 0 is no overlap.

01Technology field mirror

The 12 fields with the largest combined share. Share shows structure; count shows scale.

Technology field mirror
Technology fieldAlibaba / Alphabet (Google) / CXMT
Computer technology
63.5%
66.8%
33.6%
Semiconductors
0.6%
2.2%
67.9%
Audio-visual technology
29.8%
11%
0.5%
Digital communication
12.5%
22.7%
0.5%
Measurement
0.8%
4.4%
2.3%
IT methods for management
3.7%
3.6%
0%
Basic communication processes
0.6%
1.1%
5.3%
Telecommunications
0%
6.5%
0.1%
Optics
0%
3.7%
2.2%
Control
0.2%
2.1%
1.4%
Electrical machinery, apparatus, energy
0.3%
1.8%
1.2%
Medical technology
0.4%
1.7%
0%

Inspect one technology field

Inspect collected applications, portfolio share and supporting publications within one field. A technology overlap does not establish that companies in different industries are direct competitors.

CXMT

Collected applications
18
Share of collected applications with IPC
1.2%

Coverage is incomplete; counts and shares describe only the collected subset.

View CXMT publications in this field

One application may belong to multiple fields, so shares can sum to more than 100%. Drill-down lists publications; an application publication and its grant may appear separately.

02Same problem: shared IPC subclasses

The 10 subclasses in every company's top 60 with the most combined applications. Scale is compared within a subclass, never across different business scopes.

G06FData processing
Alibaba547
Alphabet (Google)3,435
CXMT60
G06NComputing models, AI
Alibaba173
Alphabet (Google)1,594
CXMT2
H04LDigital transmission
Alibaba113
Alphabet (Google)1,020
CXMT7
G06TImage processing
Alibaba67
Alphabet (Google)708
CXMT4
G06VImage and video recognition
Alibaba70
Alphabet (Google)525
CXMT2
G11CStatic stores
Alibaba3
Alphabet (Google)39
CXMT480
H01LSemiconductor devices
Alibaba4
Alphabet (Google)86
CXMT378
H10W
Alibaba1
Alphabet (Google)62
CXMT161
G01CNavigation, surveying
Alibaba1
Alphabet (Google)124
CXMT1
H05KPrinted circuits, assemblies
Alibaba3
Alphabet (Google)104
CXMT7

03Where each one leans

Observed emphasis within each company’s collected top-60 IPC subclasses. A dash for another company means outside its top-60 list, not zero applications or a market gap. Incomplete coverage can also change the ordering.

Alibaba

  • H04NPictorial communication, video
    Alibaba
    331
    Alphabet (Google)
    704
    CXMT
    —
  • G06FData processing
    Alibaba
    547
    Alphabet (Google)
    3,435
    CXMT
    60
  • G06QBusiness data processing
    Alibaba
    40
    Alphabet (Google)
    290
    CXMT
    —
  • G06VImage and video recognition
    Alibaba
    70
    Alphabet (Google)
    525
    CXMT
    2
  • F02B
    Alibaba
    1
    Alphabet (Google)
    —
    CXMT
    —
  • G01F
    Alibaba
    1
    Alphabet (Google)
    —
    CXMT
    —

Alphabet (Google)

  • G10LSpeech processing
    Alibaba
    25
    Alphabet (Google)
    1,012
    CXMT
    —
  • H04WWireless networks
    Alibaba
    9
    Alphabet (Google)
    885
    CXMT
    —
  • G02BOptical elements
    Alibaba
    —
    Alphabet (Google)
    275
    CXMT
    —
  • H04BTransmission
    Alibaba
    —
    Alphabet (Google)
    281
    CXMT
    2
  • G06NComputing models, AI
    Alibaba
    173
    Alphabet (Google)
    1,594
    CXMT
    2
  • G06TImage processing
    Alibaba
    67
    Alphabet (Google)
    708
    CXMT
    4

CXMT

  • H10BMemory devices
    Alibaba
    2
    Alphabet (Google)
    —
    CXMT
    689
  • G11CStatic stores
    Alibaba
    3
    Alphabet (Google)
    39
    CXMT
    480
  • H01LSemiconductor devices
    Alibaba
    4
    Alphabet (Google)
    86
    CXMT
    378
  • H10D
    Alibaba
    —
    Alphabet (Google)
    —
    CXMT
    220
  • H10W
    Alibaba
    1
    Alphabet (Google)
    62
    CXMT
    161
  • H10P
    Alibaba
    —
    Alphabet (Google)
    —
    CXMT
    68

04Publication rhythm

AlibabaAlphabet (Google)CXMTPublications per period
Publications per period
PeriodAlibabaAlphabet (Google)CXMT
2025-01≥78 (partial coverage)≥747 (partial coverage)≥233 (partial coverage)
2025-02≥71 (partial coverage)≥760 (partial coverage)≥180 (partial coverage)
2025-03≥72 (partial coverage)≥828 (partial coverage)≥99 (partial coverage)
2025-04≥65 (partial coverage)≥810 (partial coverage)≥79 (partial coverage)
2025-05≥71 (partial coverage)≥765 (partial coverage)≥108 (partial coverage)
2025-06≥83 (partial coverage)≥744 (partial coverage)≥177 (partial coverage)
2025-07≥82 (partial coverage)≥895 (partial coverage)≥156 (partial coverage)
2025-08≥104 (partial coverage)≥629 (partial coverage)≥112 (partial coverage)
2025-09≥119 (partial coverage)≥586 (partial coverage)≥148 (partial coverage)
2025-10≥94 (partial coverage)≥684 (partial coverage)≥89 (partial coverage)
2025-11≥115 (partial coverage)≥623 (partial coverage)≥64 (partial coverage)
2025-12≥147 (partial coverage)≥639 (partial coverage)≥125 (partial coverage)

Empty dashed outlines mark uncollected periods. Hatched bars and ≥ counts mark partial coverage.

Publication timing follows examination and publication cycles, not R&D intensity.

What makes it comparableThe same publication window and counting units. Companies with different windows are not put in one comparison.

What is not comparableGroup totals. Business and entity scopes differ; compare scale within a field or subclass.

Not a rankingSimilarity and shares describe structure, not patent value, quality or technical leadership.