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National Security

Maritime Security & Constabulary

The capacity to know and police national waters: maritime domain awareness, coast guard and law-enforcement presence, and protection of offshore and undersea infrastructure. One of the capabilities of Maritime Power.

International families
5042015 to 2024
Leading country
Japan3.7× the next
All families
2,027home filings included
Over five years
Rising2020 to 2024 against the five before

Year by year

Patent families by country of origin and the year of the earliest filing, 2000 to 2025; 2025 is a part year, still filling in. International families are those for which protection was sought beyond one country.

Volume

International patent families in the capability, by the year of the earliest filing.

Source: Global Institute for National Capability (GINC), 2026. Underlying patents from 107 patent offices, IFI CLAIMS and Google

Share by country

Each country's share of the year's international families, in per cent: the capability's five largest countries of origin, 2015 to 2024, and the rest of the world.

Source: Global Institute for National Capability (GINC), 2026. Underlying patents from 107 patent offices, IFI CLAIMS and Google

Country leaderboard

International patent families, 2015 to 2024, by country of origin. Growth compares the latest five full years with the five before.

Ten largest

Japan

United States

South Korea

China

France

United Kingdom

Germany

Canada

Israel

Switzerland

206

55

42

40

21

20

18

16

12

11

2000 to 2025
1Japan20640.9%1.7×
347
2United States5510.9%1.0×
115
3South Korea428.3%2.2×
283
4China407.9%2.3×
1,062
5France214.2%0.6×
28
6United Kingdom204.0%0.8×
25
7Germany183.6%0.8×
33
8Canada163.2%4.3×
20
9Israel122.4%3.0×
13
10Switzerland112.2%10×
13
11Finland102.0%0.4×
10
12Norway91.8%8.0×
10
13Singapore71.4%–
7
14Taiwan61.2%2.0×
10
15Sweden51.0%4.0×
5
16Italy40.8%1.0×
5
17Australia40.8%–
5
18Belgium40.8%0.3×
5
19Türkiye30.6%–
6
20Netherlands20.4%–
2
21Denmark20.4%1.0×
2
22Brazil20.4%0.0×
4
23Austria10.2%0.0×
1
24Spain10.2%0.0×
1
25Portugal10.2%–
1
26Russia00.0%–
5
27Poland00.0%–
1
28New Zealand00.0%–
1

Applicants

The largest applicants by international patent families, 2015 to 2024: across the world, then within each of the five countries with the most families in Maritime Security & Constabulary. Names are as held in the source and are not consolidated across subsidiaries.

Global

504 international families

FURUNO ELECTRIC CO · Japan

YAMAHA MOTOR CO LTD · Japan

FUJITSU LTD · Japan

ABB SCHWEIZ AG · Switzerland

KOREA INST OCEAN SCI & TECH · South Korea

KAWASAKI HEAVY IND LTD · Japan

64

20

13

11

11

10

Japan

206 international families

FURUNO ELECTRIC CO

YAMAHA MOTOR CO LTD

FUJITSU LTD

KAWASAKI HEAVY IND LTD

OCEANIC CONSTELLATIONS INC

NEC CORP

64

20

13

10

10

7

United States

55 international families

HALO MARITIME DEFENSE SYSTEMS INC

OCEANETICS INC

BOEING CO

BRUNSWICK CORP

RAYTHEON CO

TRUSTON TECH INC

5

5

2

2

2

2

South Korea

42 international families

KOREA INST OCEAN SCI & TECH

AVIKUS CO LTD

ELECTRONICS & TELECOMMUNICATIONS RES INST

KOREA INSTITUTE OCEAN SCIENCE & TECH

KOREA INSTITUTE OF OCEAN SCIENCE AND TECH

HD KOREA SHIPBUILDING & OFFSHORE ENG CO LTD

11

4

4

4

4

3

China

40 international families

UNIV DALIAN MARITIME

UNIV WUHAN TECH

UNIV HARBIN ENG

UNIV SHANGHAI MARITIME

GUANGDONG EPROPULSION TECH CO LTD

GUANGDONG EPROPULSION TECH LIMITED

4

4

3

3

2

2

France

21 international families

THALES SA

SINAY

IXBLUE

OFFICE NATIONAL DETUDES RECH AEROSPATIALES

ATHANOR ENG

AZARIAN SYLVAIN

5

4

2

2

1

1

Similar capabilities

The nine capabilities that share the most international patent families with Maritime Security & Constabulary, 2015 to 2024: the families counted in both as a share of those counted in either. Each card shows its five largest countries.

Strategic Infrastructure

Inland Waterways & Ferries

34.7% shared · 459 families in both

Japan

China

United States

South Korea

United Kingdom

324

216

161

124

46

National Security

Sea Control

2.9% shared · 20 families in both

Germany

United States

United Kingdom

France

South Korea

37

32

31

25

13

Strategic Infrastructure

Military Bases & Installations

1.1% shared · 22 families in both

United States

Germany

South Korea

United Kingdom

Japan

353

218

111

100

84

Strategic Infrastructure

Air Navigation & Traffic Management

1.0% shared · 80 families in both

United States

Japan

China

France

Germany

2,940

1,014

815

738

380

National Security

Sea Denial & Undersea Warfare

0.8% shared · 17 families in both

United States

Germany

China

France

Japan

308

277

266

139

138

National Security

Integrated Air & Missile Defence

0.4% shared · 4 families in both

Germany

United States

Japan

Israel

United Kingdom

92

75

47

41

28

Trade & Investment

Customs & Border Management

0.4% shared · 7 families in both

China

United States

Japan

Germany

South Korea

418

233

115

64

57

Critical Technology

Resilient Positioning & Navigation

0.4% shared · 35 families in both

United States

Japan

China

Germany

France

1,948

1,411

1,349

836

427

National Security

Electronic Warfare & Spectrum Operations

0.4% shared · 11 families in both

United States

China

Japan

Germany

South Korea

587

328

227

225

120

Crosswalk

How Maritime Security & Constabulary is matched to the patent classifications. The entries below were chosen for it; each stands for itself and everything beneath it in the scheme, 3 Cooperative entries in all. A patent family counts when any of its codes, in either scheme and at any office, falls under one of them. Codes since retired are placed under the entries that replaced them.

EntryTitle in the schemeWhy it is chosenCPC codesIPC codesDocuments
G08G3/00Traffic control systems for marine craftMonitoring and control of vessel traffic116,101
G01S13/917Radar or analogous systems specially adapted for specific applications for traffic control for marine craft or other waterborne vesselsRadar for controlling marine vessel traffic1none434
F41H11/05Net barriers for harbour defenceNet barriers for harbour defence11416
G08G3/02Anti-collision systemsLeft out

CPC and IPC codes are the codes in use on patent documents, at any office, that fall under the entry. Documents is the larger of the two schemes' counts of documents carrying one of them. An entry with no IPC codes can be told apart only in the Cooperative scheme.

The Cooperative codes in use that count towards Maritime Security & Constabulary: 3 codes on 5,691 documents. The full crosswalk is in the cpc-to-capability.csv download.

CodeTitleUnder entryHow placedDocuments
G08G3/00Traffic control systems for marine craftG08G3/00In the scheme4,841
G01S13/917Radar or analogous systems specially adapted for specific applications for traffic control for marine craft or other waterborne vesselsG01S13/917In the scheme434
F41H11/05Net barriers for harbour defenceF41H11/05In the scheme416
Match: Through its tools
The classification names the equipment or technology the capability draws on, not the capability. The count says how much is being invented for it, not how well it is done. Thin and mostly civilian: vessel traffic monitoring is port and coastal safety technology, and patrol vessels cannot be told apart from other ships. The crosswalk is a first pass that nobody has reviewed.

Other capabilities in Maritime Power