Free Trial
Want deep insights into your competitors & competitive landscape? Try Patsnap Eureka!

Top 100 Key Players companies in Bunker
by Most Patent Citation in the world in 2022

The Bunker top 100 is Discovery PatSnap’ annual ranking of the top 100 Most Patent Citation Bunker Key Players in the world. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2022, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.
A bunker is a defensive military fortification designed to protect people and valued materials from falling bombs or other attacks. Bunkers are mostly underground, in contrast to blockhouses which are mostly above ground. They were used extensively in World War I, World War II, and the Cold War for weapons facilities, command and control centers, and storage facilities. Bunkers can also be used as protection from tornadoes.

Key Players

Fast-growings

Startups & Unicorns

New Entrants

Ranking Year:

2022

2021

2020

2019

2018

Region:

Global

China

Japan

Germany

United States

Switzerland

Austria

United Kingdom

France

South Korea

Netherlands

Canada

Italy

Ranking:

Most Patent Filings

Highest Patent Value

Most Patent Citation

Most Research Publications

Most Literature Citation

Most Market Reports

Most News Heat

#
Company Name
Region
Tech Topics
Total
1
Norcross Safety Products LLC
Rhode Island, United States
Turnout,Arc flash,Personal protection equipment,
...[+2]
patent citation: 89
2
IHI Power Systems Co., Ltd.
Tokyo, Japan
Turbine,Gas engine,Manufacturing engineering,
...[+2]
patent citation: 50
3
Diehl Stiftung & Co. KG
Germany
Metal,Automation,Mechanical engineering,
...[+2]
patent citation: 45
4
General Electric Co.
Massachusetts, United States
Energy management,Turbine,Electronics,
...[+2]
patent citation: 44
5
SRI Sports Ltd.
Hyogo, Japan
sports equipment,Ammunition,Exercise equipment,
...[+1]
patent citation: 35
6
Messerschmitt-Boelkow-Blohm GmbH
Germany
Aerospace,National security
patent citation: 29
7
Schneider Electric Systems USA, Inc.
Massachusetts, United States
Software,Automation,Software as a service,
...[+2]
patent citation: 28
8
Mitsubishi Kogyo KK
Japan
patent citation: 28
9
Engineering Consultants Group, Inc.
Ohio, United States
Industry 4.0,Process control,Custom software,
...[+2]
patent citation: 27
10
Hawker Siddeley Dynamics Ltd.
HM, GB
patent citation: 22
11
Siemens AG
Bayern, Germany
Power transmission,Electronics,Turbine,
...[+2]
patent citation: 20
12
Siemens SA
Madrid, Spain
Scientific Control,Telecommunications,Turbine,
...[+1]
patent citation: 20
13
J. Ochsner AG
Zürich, Switzerland
patent citation: 18
14
Continental Commercial Products LLC
Missouri, United States
Food service,Fast-moving consumer goods,Health care
patent citation: 17
15
Vereinigte Kesselwerke AG
NW, DE
Petroleum industry,Natural gas
patent citation: 17
16
JFE Holdings, Inc.
Tokyo, Japan
Materials science,Product design,Carbon steel,
...[+2]
patent citation: 16
17
China Western Power Industrial Co., Ltd.
Sichuan Sheng, China
Boiler (power generation),Electronics,Energy conservation,
...[+2]
patent citation: 16
18
JFE Steel Corp.
Tokyo, Japan
Irone,Mining engineering,Natural resource management,
...[+2]
patent citation: 16
19
American Defense Systems, Inc.
North Carolina, United States
Intrusion detection system,National security,Aerospace
patent citation: 16
20
Standard Alcohol Co. of America
Colorado, United States
patent citation: 16
21
Jiangsu Wanli Machinery Co. Ltd.
China
Diesel engine,Automotive engineering
patent citation: 16
22
Hitachi Zosen Corp.
Osaka, Japan
Mechanical engineering,Waste-to-energy,Environmental protection,
...[+2]
patent citation: 15
23
Waagner-Biro AG
Austria
Architecture
patent citation: 15
24
Coal Industry (Patents) Ltd.
United Kingdom
patent citation: 15
25
VEAG Vereinigte Energiewerke AG
Berlin, Germany
Power transmission,Electric power transmission
patent citation: 14
26
Mesnac Co., Ltd.
Shandong Sheng, China
Plastics engineering,Computer hardware,Peripheral,
...[+2]
patent citation: 13
27
Maihak AG
HA, DE
Process control,Computer hardware,Electronics,
...[+1]
patent citation: 13
28
SCI Solutions, Inc.
California, United States
Software,Software as a service,Health care,
...[+2]
patent citation: 12
29
NIPPON STEEL Stainless Steel Corp.
Tokyo, Japan
Mill,Metal,Mining engineering,
...[+1]
patent citation: 12
30
UTI Corp.
Pennsylvania, United States
Electronics,Health care,Metal
patent citation: 12
31
GIAT Industries SASU
Île-de-France, France
Weapon system,Industrial engineering
patent citation: 12
32
HNE Technologie AG
Germany
Special forces,Fire extinguisher,High pressure
patent citation: 12
33
MAN Gutehoffnungshutte AG
Nordrhein-Westfalen, Germany
Truck
patent citation: 12
34
Taiho Kogyo Co., Ltd.
Aichi, Japan
Gasoline,Automotive engineering,Manufacturing engineering,
...[+2]
patent citation: 11
35
Rheinmetall Industrie AG
DE
National security,Aerospace
patent citation: 11
36
Shanghai Baosight Software Co., Ltd.
Shanghai Shi, China
Software,Embedded software,Accounting,
...[+2]
patent citation: 9
37
Guiyang Aluminium Magnesium Design & Research Inst. Co. Ltd.
Guizhou Sheng, China
Aluminium,Construction engineering
patent citation: 9
38
Shingu Shoko Ltd.
Japan
patent citation: 9
39
TWG Young Ltd.
Edinburgh, United Kingdom
Liquid gas,Construction engineering
patent citation: 9
40
Shandong Iron & Steel Co., Ltd.
Shandong Sheng, China
Smelting,Ferroalloy,Precious metal,
...[+2]
patent citation: 8
41
Jinan Iron & Steel Co. Ltd.
Shandong Sheng, China
Sintering,Raw material,Metal,
...[+2]
patent citation: 8
42
Weiming Group Co. Ltd.
China
patent citation: 8
43
O & K Orenstein & Koppel AG
Hamburg, Germany
Manufacturing engineering,Mechanical engineering,Surface mining,
...[+2]
patent citation: 8
44
TOSHIBA Corp.
Tokyo, Japan
Semiconductor,Computer hardware,Electronics,
...[+2]
patent citation: 7
45
Tiandi Science & Technology Co., Ltd.
Beijing Shi, China
Coal,Oil well,Manufacturing engineering,
...[+2]
patent citation: 7
46
Datang Environment Industry Group Co., Ltd.
Beijing Shi, China
Energy conservation,Environmental protection,Denitrification,
...[+2]
patent citation: 7
47
Thyssen Industrie AG
Nordrhein-Westfalen, Germany
Decision-making
patent citation: 7
48
Huainan Mining (Group) Co., Ltd.
Anhui Sheng, China
Coal,Mining engineering,Natural resource management,
...[+2]
patent citation: 7
49
Shenwu Technology Group Co., Ltd.
Chongqing Shi, China
patent citation: 7
50
Sky 72 Co., Ltd.
Incheon, South Korea
Film industry,Recreational facility
patent citation: 7
51
Mettler-Toledo (Changzhou) Precision Instruments Ltd.
China
patent citation: 7
52
Smit Nederland BV
Netherlands
patent citation: 7
53
BASF SE
Rheinland-Pfalz, Germany
Agriculture,Petrochemical,Chemical engineering,
...[+2]
patent citation: 6
54
The Chugoku Electric Power Co., Inc.
Hiroshima, Japan
Renewable energy,Petroleum industry,Electric power transmission,
...[+2]
patent citation: 6
55
SK Innovation Co., Ltd.
Seoul, South Korea
Lithium-ion battery,Petroleum,Petroleum industry,
...[+2]
patent citation: 6
56
State Grid Corp. of China
Beijing Shi, China
Electric vehicle,Power grid,Total asset,
...[+2]
patent citation: 6
57
Guangdong High Dream Intellectualized Machinery Co., Ltd.
Guangdong Sheng, China
Weightlessness,Manufacturing engineering,Industrial engineering,
...[+2]
patent citation: 6
58
SK Energy Co., Ltd.
South Korea
Petroleum,Petroleum industry,Kerosene,
...[+2]
patent citation: 6
59
Frontier-Kemper Constructors, Inc.
California, United States
Construction engineering
patent citation: 6
60
Cold Chain LLC
Idaho, United States
Food processing
patent citation: 6
61
China Coal Pingshuo Group Co., Ltd.
Shanxi Sheng, China
Coal mining,Mining engineering,Natural resource management,
...[+1]
patent citation: 6
62
Seoul Sharp Heavy Industries Co. Ltd.
South Korea
Automation,Mechanical engineering,Manufacturing engineering,
...[+1]
patent citation: 6
63
Schwabische Huttenwerke GmbH
DE
Automotive engineering
patent citation: 6
64
Firma Carl Still GmbH & Co KG
Nordrhein-Westfalen, Germany
patent citation: 6
65
MCC Baosteel Technology Service Co., Ltd.
Shanghai Shi, China
patent citation: 6
66
Sumitomo Heavy Industries, Ltd.
Tokyo, Japan
Sewage treatment,Proton therapy,Cryocooler,
...[+2]
patent citation: 5
67
NGK Insulators, Ltd.
Aichi, Japan
Beryllium copper,Industrial engineering,Pottery,
...[+2]
patent citation: 5
68
Carl Schenck AG
Hessen, Germany
Diagnostic system,Automation
patent citation: 5
69
Shandong Energy Group Co., Ltd.
Shandong Sheng, China
Coal,Mining engineering,Natural resource management,
...[+2]
patent citation: 5
70
Triton Emission Solutions, Inc.
NA - Puerto Rico, Puerto Rico
Market research,Alkali metal,Exhaust gas,
...[+2]
patent citation: 5
71
TCL China Star Optoelectronics Technology Co., Ltd.
Guangdong Sheng, China
Computer hardware,Liquid-crystal display,Electronics,
...[+2]
patent citation: 5
72
Qingdao Special Iron & Steel Co., Ltd.
Shandong Sheng, China
patent citation: 5
73
BAE Systems Information & Electronic Sys Integration, Inc.
New Hampshire, United States
Computer hardware,Electronics,Electronic systems,
...[+2]
patent citation: 5
74
Hitachi Ltd.
Tokyo, Japan
Elevator,Electrical equipment,Electric motor,
...[+2]
patent citation: 4
75
Kubota Corp.
Osaka, Japan
Tractor,Manufacturing engineering,Combine harvester,
...[+2]
patent citation: 4
76
Sekisui House, Ltd.
Osaka, Japan
Real estate development,Residential land,Urban area,
...[+2]
patent citation: 4
77
Mitsui E&S Holdings Co., Ltd.
Tokyo, Japan
Public transport,Hydrogen compressor,Reciprocating compressor,
...[+2]
patent citation: 4
78
YanTai LongYuan Power Technology Co., Ltd.
Shandong Sheng, China
Heat exchanger,Electronics,NOx,
...[+2]
patent citation: 4
79
Krauss-Maffei Wegmann GmbH & Co. KG
Bayern, Germany
Artillery,Peacekeeping,Automotive engineering,
...[+2]
patent citation: 4
80
Grob GmbH
Baden-Württemberg, Germany
Turbine,Automation,Manufacturing engineering,
...[+2]
patent citation: 4
81
Baosteel Group Xinjiang Bayi Iron & Steel Co., Ltd.
Xinjiang Uygur, China
Steelmaking,Hot rolled,Mining engineering,
...[+2]
patent citation: 4
82
Hunan Super Information Co., Ltd.
Hunan Sheng, China
Computer hardware,Electronics
patent citation: 4
83
Albert Handtmann Maschinenfabrik GmbH & Co. KG
Germany
Automation,Mechanical engineering,Manufacturing engineering,
...[+1]
patent citation: 4
84
Zhongye Changtian International Engineering Co., Ltd.
Hunan Sheng, China
Silicon valley,Construction engineering
patent citation: 4
85
PASSAVANT-Werke AG
HE, DE
patent citation: 4
86
Zibo Mining Group Co. Ltd Daizhuang Coal Mine
China
patent citation: 4
87
Baosteel Stainless Steel Co., Ltd.
Shanghai Shi, China
Metal,Mining engineering,Natural resource management
patent citation: 4
88
Diehl Munitionssysteme GmbH & Co. KG
Germany
patent citation: 4
89
Sony Group Corp.
Tokyo, Japan
Computer hardware,Software,Music,
...[+2]
patent citation: 3
90
Kawasaki Heavy Industries Ltd.
Kyoto, Japan
Turbine,Mechanical engineering,Manufacturing engineering,
...[+2]
patent citation: 3
91
Stella-Jones, Inc.
Quebec, Canada
Utility pole,Fixture,Green wood,
...[+2]
patent citation: 3
92
China Shenhua Energy Co., Ltd.
Beijing Shi, China
Coal,Coal mining,Electricity,
...[+2]
patent citation: 3
93
Aucma Co., Ltd.
Shandong Sheng, China
Battery (electricity),Electronics,Lithium battery,
...[+2]
patent citation: 3
94
Yongcheng Coal & Electricity Holding (Group) Co., Ltd.
Henan Sheng, China
Coal,Mining engineering,Natural resource management,
...[+1]
patent citation: 3
95
CISDI Engineering Co. Ltd.
Chongqing Shi, China
Construction engineering
patent citation: 3
96
KHD Humboldt Wedag GmbH
Nordrhein-Westfalen, Germany
patent citation: 3
97
Kawasaki Steel Corp.
Japan
patent citation: 3
98
State Nuclear Electric Power Planning Design & Research Inst
Beijing Shi, China
Power transmission
patent citation: 3
99
Fuji Silysia Chemical Ltd.
Aichi, Japan
Silica gel,Silicone,Chemical engineering,
...[+2]
patent citation: 3
100
Xuchang Yongxin Electric Co., Ltd.
China
patent citation: 3

Who we serve

R&D Decision MakersNew Product Innovation LeaderTechnology Research AnalystsBusiness Development Professionals

Why Discovery

Technology Intelligence Data FoundationAI-powered Competitive Intelligence RadarTechnology Classification and Company Innovation Indicators

Social media

Try Discovery

Free Trial
PatSnap group products
Browse By:ABCDEFGHIJKLMNOPQRSTUVWXYZ#All topics,List of companies,Sitemap
© 2023 PatSnap. All rights reserved.Legal | Privacy policy Modern Slavery Act Transparency Statement
Page generation time: Jul 18 2025
For better visiting experience, please use PC device.X