CNIPA.AI

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HEAD TO HEAD

Bank of ChinaNVIDIAPetroChina

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.

Bank of China: Applicant names included in these statistics — BANK OF CHINA CO LTD · BANK OF CHINA LTDReviewed names not covered — BANK OF CHINA LIMITED · 中国银行股份有限公司

NVIDIA: Applicant names included in these statistics — NVIDIA CORPReviewed names not covered — NVIDIA CORP. · NVIDIA CORPORATION

PetroChina: Applicant names included in these statistics — PETROCHINA CO LTDReviewed names not covered — PETROCHINA COMPANY LIMITED · 中国石油天然气股份有限公司

Bank of China

Publications
138
Invention share
98%
Concentration
0.75
Green technology
—

NVIDIA

Publications
2,387
Invention share
81%
Concentration
0.66
Green technology
—

PetroChina

Publications
6,110
Invention share
95%
Concentration
0.25
Green technology
—
0.86

Bank of China × NVIDIA

0.48

Bank of China × PetroChina

0.49

NVIDIA × PetroChina

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 fieldBank of China / NVIDIA / PetroChina
Computer technology
74.6%
79.3%
22.4%
IT methods for management
42%
0.5%
9.5%
Civil engineering
0%
0.1%
31.5%
Measurement
0%
7%
22.9%
Digital communication
13.8%
9.1%
0.7%
Audio-visual technology
3.6%
8.8%
0.4%
Basic materials chemistry
0%
0%
11.9%
Chemical engineering
0%
0%
9%
Transport
0%
6.9%
0.4%
Macromolecular chemistry, polymers
0%
0%
6.9%
Control
0%
5%
1.6%
Mechanical elements
0.7%
0.3%
3.7%

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.

NVIDIA

Collected applications
206
Share of collected applications with IPC
8.8%

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

View NVIDIA 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
Bank of China83
NVIDIA881
PetroChina1,114
G06TImage processing
Bank of China7
NVIDIA719
PetroChina180
G06NComputing models, AI
Bank of China18
NVIDIA497
PetroChina268
G06QBusiness data processing
Bank of China58
NVIDIA12
PetroChina577
G06VImage and video recognition
Bank of China18
NVIDIA403
PetroChina81
H04LDigital transmission
Bank of China19
NVIDIA155
PetroChina32

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.

Bank of China

  • G06QBusiness data processing
    Bank of China
    58
    NVIDIA
    12
    PetroChina
    577
  • G06FData processing
    Bank of China
    83
    NVIDIA
    881
    PetroChina
    1,114
  • H04LDigital transmission
    Bank of China
    19
    NVIDIA
    155
    PetroChina
    32

NVIDIA

  • G06TImage processing
    Bank of China
    7
    NVIDIA
    719
    PetroChina
    180
  • G06NComputing models, AI
    Bank of China
    18
    NVIDIA
    497
    PetroChina
    268
  • B60WVehicle sub-unit control
    Bank of China
    —
    NVIDIA
    138
    PetroChina
    —
  • G06VImage and video recognition
    Bank of China
    18
    NVIDIA
    403
    PetroChina
    81
  • H04NPictorial communication, video
    Bank of China
    3
    NVIDIA
    127
    PetroChina
    —
  • G10LSpeech processing
    Bank of China
    1
    NVIDIA
    87
    PetroChina
    —

PetroChina

  • E21B
    Bank of China
    —
    NVIDIA
    —
    PetroChina
    1,882
  • G01NAnalysing materials
    Bank of China
    —
    NVIDIA
    3
    PetroChina
    752
  • G01V
    Bank of China
    —
    NVIDIA
    —
    PetroChina
    571
  • B01J
    Bank of China
    —
    NVIDIA
    —
    PetroChina
    385
  • C09KMaterials for applications
    Bank of China
    —
    NVIDIA
    —
    PetroChina
    330
  • C08FAddition polymers
    Bank of China
    —
    NVIDIA
    —
    PetroChina
    284

04Publication rhythm

Bank of ChinaNVIDIAPetroChinaPublications per period
Publications per period
PeriodBank of ChinaNVIDIAPetroChina
2025-01≥19 (partial coverage)≥182 (partial coverage)≥410 (partial coverage)
2025-02≥65 (partial coverage)≥166 (partial coverage)≥695 (partial coverage)
2025-03≥51 (partial coverage)≥170 (partial coverage)≥574 (partial coverage)
2025-04Not collected≥158 (partial coverage)≥558 (partial coverage)
2025-05Not collected≥193 (partial coverage)≥1,028 (partial coverage)
2025-06Not collected≥183 (partial coverage)≥674 (partial coverage)
2025-07Not collected≥243 (partial coverage)≥299 (partial coverage)
2025-08Not collected≥182 (partial coverage)≥143 (partial coverage)
2025-09≥1 (partial coverage)≥265 (partial coverage)≥486 (partial coverage)
2025-10Not collected≥234 (partial coverage)≥403 (partial coverage)
2025-11Not collected≥199 (partial coverage)≥383 (partial coverage)
2025-12≥2 (partial coverage)≥212 (partial coverage)≥457 (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.