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Top 100 Key Players companies in Bunches
by Most Patent Citation in the world in 2021

The Bunches top 100 is Discovery PatSnap’ annual ranking of the top 100 Most Patent Citation Bunches Key Players in the world. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2021, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.
Bunches (also called pigtails, twintails or angel wings) are a hairstyle in which the hair is parted down the middle and gathered into two symmetrical bundles, like ponytails, secured near the scalp. Sometimes this hairstyle is referred to as "pigtails," but in other case the term "pigtails" applies only if the hair is braided.

Key Players

Fast-growings

Startups & Unicorns

New Entrants

Ranking Year:

2022

2021

2020

2019

2018

Region:

Global

China

Japan

United States

United Kingdom

Germany

Spain

Netherlands

South Korea

France

Switzerland

Malaysia

Ranking:

Most Patent Filings

Highest Patent Value

Most Patent Citation

Most Market Reports

Most News Heat

#
Company Name
Region
Tech Topics
Total
1
Texaco Development Corp.
Texas, United States
patent citation: 331
2
Secretary of State for Defence
United Kingdom
patent citation: 247
3
Union Carbide Corp.
Wisconsin, United States
Synthetic rubber,Carbide,Natural rubber,
...[+2]
patent citation: 186
4
Laser Systems & Electronics, Inc.
TN, US
patent citation: 152
5
Siemens Medical Solutions USA, Inc.
Pennsylvania, United States
Medical product,Systems design,Medicine,
...[+2]
patent citation: 135
6
Atomic Energy of Canada Ltd.
Ontario, Canada
Nuclear engineering,CANDU reactor,Nuclear science,
...[+2]
patent citation: 121
7
Motorola, Inc.
Illinois, United States
Telecommunications,Mobile phone,Broadband,
...[+2]
patent citation: 116
8
Applied Materials, Inc.
California, United States
Semiconductor,Electronics,Chemical-mechanical planarization,
...[+2]
patent citation: 98
9
Nissin Electric Co., Ltd.
Kyoto, Japan
Electronics,Life Cycle Engineering,Transformer,
...[+2]
patent citation: 98
10
Amphenol Ltd.
Kent, United Kingdom
Electronics,Aerospace,Computer hardware
patent citation: 94
11
Allied Chemical
MN, US
Chemical engineering
patent citation: 94
12
Communications & Power Industries LLC
California, United States
Computer hardware,Electronics,Microwave frequency,
...[+2]
patent citation: 93
13
Los Alamos National Security LLC
New Mexico, United States
National security
patent citation: 82
14
Micromass UK Ltd.
United Kingdom
Mass spectrometry,Medicine,Drug discovery
patent citation: 81
15
Messerschmitt-Boelkow-Blohm GmbH
Germany
Aerospace,National security
patent citation: 77
16
Dynamic Network Services, Inc.
New Hampshire, United States
Cloud computing,Application firewall,Software as a service,
...[+2]
patent citation: 75
17
Oracle America, Inc.
California, United States
Cytidine monophosphate,Information technology consulting,Systems design
patent citation: 75
18
Siemens AG
Bayern, Germany
Power transmission,Electronics,Turbine,
...[+2]
patent citation: 48
19
Lyncean Technologies, Inc.
California, United States
Synchrotron,Biology,Health care,
...[+2]
patent citation: 48
20
Siemens SA
Madrid, Spain
Scientific Control,Telecommunications,Turbine,
...[+1]
patent citation: 48
21
Guizhou Kailin Group Co., Ltd.
Guizhou Sheng, China
Phosphate mining,Mining engineering,Natural resource management,
...[+2]
patent citation: 45
22
Jefferson Science Associates LLC
Virginia, United States
Nuclear physics
patent citation: 38
23
ASML Netherlands BV
Drenthe, Netherlands
Automation,Manufacturing engineering,Industrial engineering,
...[+2]
patent citation: 32
24
SCI Associates, Inc.
CA, US
patent citation: 27
25
Hewlett-Packard Development Co.
Beijing Shi, China
Personal computer,Computer hardware,Graphics processing unit,
...[+2]
patent citation: 27
26
China Petroleum & Chemical Corp.
Beijing Shi, China
Petrochemical,Petroleum,Enterprise software,
...[+2]
patent citation: 26
27
Sekisui Chemical Co., Ltd.
Osaka, Japan
Synthetic rubber,Industrial engineering,Polyvinyl chloride,
...[+2]
patent citation: 25
28
Shanghai CITI-RAISE Construction Group Co. Ltd.
Shanghai Shi, China
patent citation: 23
29
SINOPEC Research Institute of Petroleum Engineering
China
patent citation: 23
30
Hangxiao Steel Structure Co., Ltd.
Zhejiang Sheng, China
Metal fabrication,Industrial engineering,Ferroalloy
patent citation: 19
31
The Titan Corp.
California, United States
Aerospace,National security
patent citation: 18
32
TOSHIBA Corp.
Tokyo, Japan
Semiconductor,Computer hardware,Electronics,
...[+2]
patent citation: 17
33
JENOPTIK Automatisierungstechnik GmbH
Thüringen, Germany
Automation,Mechanical engineering,Manufacturing engineering,
...[+1]
patent citation: 17
34
Sinopec Oilfield Service Corp.
Beijing Shi, China
Drilling engineering,Petroleum industry,Natural resource management,
...[+2]
patent citation: 16
35
Takahata Precision Japan Co., Ltd.
Tokyo, Japan
Pipe fitting
patent citation: 16
36
Ion Beam Applications SA
Vlaams-Brabant, Belgium
Proton therapy,Radiation therapy,Medical equipment,
...[+2]
patent citation: 14
37
Mitsubishi Electric Engineering Co., Ltd.
Tokyo, Japan
patent citation: 14
38
Associated Electrical Industries Ltd.
West Midlands, United Kingdom
patent citation: 13
39
Inbicon A/S
Denmark
Waste treatment,Renewable energy,Enzymatic hydrolysis,
...[+2]
patent citation: 12
40
Hitachi Ltd.
Tokyo, Japan
Elevator,Electrical equipment,Electric motor,
...[+2]
patent citation: 11
41
Gisco Co., Ltd.
Seoul, South Korea
Human resources
patent citation: 11
42
Raytheon Co.
Massachusetts, United States
Missile,National security,Aerospace,
...[+2]
patent citation: 10
43
Varian Medical Systems, Inc.
California, United States
Proton therapy,Proton,Radiation therapy,
...[+2]
patent citation: 10
44
Optronics, Inc.
Oklahoma, United States
Electronics,Fixture
patent citation: 9
45
Shanghai Changshun Elevator Cable Co., Ltd.
China
Electronics
patent citation: 9
46
Drillflex
France
patent citation: 9
47
Tongfang Industrial Information Technology Co., Ltd.
China
patent citation: 9
48
Hyundai Motor Co., Ltd.
South Korea
Public transport,Automotive engineering,Truck,
...[+2]
patent citation: 8
49
Micron Technology, Inc.
Idaho, United States
Semiconductor,Computer hardware,Solid-state drive,
...[+2]
patent citation: 8
50
Thales Group
Île-de-France, France
Aerospace,Public transport,Security market,
...[+2]
patent citation: 8
51
Instrumentl, Inc.
California, United States
Database,Enterprise software
patent citation: 8
52
Instruments, Inc.
California, United States
Amplifier,Electronics,Linear amplifier,
...[+1]
patent citation: 8
53
Stoba BV
Netherlands
patent citation: 8
54
Visual Impact Films Corp.
United States
patent citation: 8
55
Thales International SAS
Île-de-France, France
Aerospace,Information system,National security,
...[+1]
patent citation: 8
56
Sony Group Corp.
Tokyo, Japan
Computer hardware,Software,Music,
...[+2]
patent citation: 7
57
Kyocera Corp.
Kyoto, Japan
Semiconductor,Electronics,Telecommunications,
...[+2]
patent citation: 7
58
Shimadzu Corp.
Kyoto, Japan
Molecular diagnostics,Microbiology Test,Cockpit display system,
...[+2]
patent citation: 7
59
Helmholtz-Zentrum Dresden-Rossendorf e. V.
Sachsen, Germany
Health care,Renewable energy,Biological membrane,
...[+2]
patent citation: 7
60
Van Dillewijn Group BV
Noord-Holland, Netherlands
Automation,Mechanical engineering,Manufacturing engineering,
...[+1]
patent citation: 7
61
Zinser Textilmaschinen GmbH
Germany
patent citation: 7
62
Guangzhou Lianrou Machinery & Equipment Co. Ltd.
China
patent citation: 7
63
DH Technologies Development Pte Ltd.
Central Singapore, Singapore
Real estate development,Real estate
patent citation: 7
64
Olympus Corp.
Tokyo, Japan
Microscope,Endoscopy,Software,
...[+2]
patent citation: 6
65
Ebner Industrieofenbau GmbH
Oberösterreich, Austria
Automation,Mechanical engineering,Manufacturing engineering,
...[+1]
patent citation: 6
66
Hughes Aircraft Co.
California, United States
Electronic systems,Aerospace,National security
patent citation: 6
67
Canon, Inc.
Tokyo, Japan
Computer hardware,Software,Computer vision,
...[+2]
patent citation: 5
68
Mitsubishi Materials Corp.
Tokyo, Japan
Cement,Alloy,Polycrystalline silicon,
...[+2]
patent citation: 5
69
Gree Electric Appliances, Inc. of Zhuhai
Guangdong Sheng, China
Electronics,Conditioners,Air conditioning,
...[+2]
patent citation: 5
70
East Group Co., Ltd.
Guangdong Sheng, China
Energy storage,Battery (electricity),Electronics,
...[+2]
patent citation: 5
71
Hoechst AG
Hessen, Germany
Chemical engineering,Botanical drug,Herb,
...[+2]
patent citation: 5
72
Laurel Bank Machines Co. Ltd.
Tokyo, Japan
Computer hardware,Electronics
patent citation: 5
73
Mitsubishi Materials Techno Corp.
Japan
patent citation: 5
74
Braud Co.
Louisiana, United States
Oil well,Fluid power,Metalworking,
...[+1]
patent citation: 5
75
Raychem Ltd.
SI, GB
patent citation: 5
76
Butterfly Technology Shenzhen Ltd.
Guangdong Sheng, China
Projector,Electronics
patent citation: 5
77
Huizhou Blueway New Energy Technology Co. Ltd.
China
Energy technology,Electronics
patent citation: 5
78
Ampower Technology Co. Ltd.
Taiwan Province, China
Emergency power system,Power transmission,Electronics
patent citation: 5
79
CCCC Highway Consultants Co., Ltd.
Beijing Shi, China
Runway,Parking lot,Environmental engineering,
...[+2]
patent citation: 5
80
Delta Enfield Ltd.
United Kingdom
patent citation: 5
81
Owens Corning Fiberglas Technology, Inc.
OH, US
Building material,Hypersonic flight,Spacecraft,
...[+1]
patent citation: 5
82
O-Net Communications (Shenzhen) Ltd.
Guangdong Sheng, China
patent citation: 5
83
Tsubakimoto Chain Co.
Osaka, Japan
Power transmission,Automation,Mechanical engineering,
...[+2]
patent citation: 4
84
Carl-Zeiss-Stiftung
Germany
Optoelectronics,Optics,Medicine
patent citation: 4
85
Alpha ESS Co., Ltd.
Jiangsu Sheng, China
Energy storage,Energy management,Renewable energy
patent citation: 4
86
Shanghai Laogang Shenling Electronic Cable Co. Ltd.
Shanghai Shi, China
Elevator,Electronics,Fiber
patent citation: 4
87
Licentia Patent Verwaltungs GmbH
Nordrhein-Westfalen, Germany
patent citation: 4
88
Toa Shoji Kk
Japan
patent citation: 4
89
Toray Industries, Inc.
Tokyo, Japan
Fiber,Textile,Textile (markup language),
...[+2]
patent citation: 3
90
Lotte Chemical Corp.
South Korea
Petrochemical,Chemical engineering,Polyethylene,
...[+2]
patent citation: 3
91
State Grid Corp. of China
Beijing Shi, China
Electric vehicle,Power grid,Total asset,
...[+2]
patent citation: 3
92
Yazaki Corp.
Tokyo, Japan
Electronic component,Automotive engineering,Cable harness,
...[+2]
patent citation: 3
93
Tongding Interconnection Information Co., Ltd.
Jiangsu Sheng, China
Railway signal,Electronics,Base transceiver station,
...[+2]
patent citation: 3
94
Shin-Kobe Electric Machinery Co., Ltd.
Tokyo, Japan
Electronics,Cart,Capacitor,
...[+2]
patent citation: 3
95
Behr GmbH & Co. KG
Germany
Automation,Manufacturing engineering,Industrial engineering,
...[+2]
patent citation: 3
96
Hong Kong Applied Science & Technology Research Institute
Hong Kong SAR, China
Applied research,Market research,Industrial engineering,
...[+2]
patent citation: 3
97
Gec Plc
United Kingdom
patent citation: 3
98
Oerlikon Textile GmbH & Co. KG
Nordrhein-Westfalen, Germany
Textile production,Automation,Manufacturing engineering,
...[+2]
patent citation: 3
99
Morgan Tecnica SpA
Brescia, Italy
Automation,Manufacturing engineering,Industrial engineering,
...[+2]
patent citation: 3
100
Braun AG
Switzerland
Shopping mall
patent citation: 3

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