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Top 100 Key Players companies in Polarizer
by Most Patent Citation in the world in 2020

The Polarizer top 100 is Discovery PatSnap’ annual ranking of the top 100 Most Patent Citation Polarizer Key Players in the world. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2020, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.
A polarizer or polariser is an optical filter that lets light waves of a specific polarization pass through while blocking light waves of other polarizations. It can filter a beam of light of undefined or mixed polarization into a beam of well-defined polarization, that is polarized light. The common types of polarizers are linear polarizers and circular polarizers. Polarizers are used in many optical techniques and instruments, and polarizing filters find applications in photography and LCD technology. Polarizers can also be made for other types of electromagnetic waves besides light, such as radio waves, microwaves, and X-rays.
#
Company Name
Region
Tech Topics
Total
1
Nitto Denko Corp.
Semiconductor,Product design,Adhesive,
...[+2]
patent citation: 26,520
2
FUJIFILM Corp.
Photography,Medical imaging,Computer hardware,
...[+2]
patent citation: 23,873
3
3M Innovative Properties Co.
Intellectual property,Product design
patent citation: 22,941
4
Sharp Corp.
Computer hardware,Electronics,Telecommunications,
...[+2]
patent citation: 11,916
5
Sumitomo Chemical Co., Ltd.
Petrochemical,Agriculture,Pesticide,
...[+2]
patent citation: 11,151
6
Seiko Epson Corp.
Wearable technology,Projector,Electronics,
...[+2]
patent citation: 7,567
7
Konica Minolta Advanced Layers, Inc.
patent citation: 5,990
8
MOXTEK, Inc.
X-ray,Detector,Health care,
...[+2]
patent citation: 5,263
9
3M Co.
Adhesive,Electronics,Writing paper,
...[+2]
patent citation: 4,435
10
Panasonic Holdings Corp.
Semiconductor,Industrial engineering,Electronics,
...[+2]
patent citation: 4,109
11
Matsushita Electronics Corp.
Electronics,Computer hardware,DVD player,
...[+2]
patent citation: 4,109
12
Hitachi Ltd.
Elevator,Electrical equipment,Electric motor,
...[+2]
patent citation: 3,781
13
Merck Patent GmbH
patent citation: 3,589
14
LG Display Co., Ltd.
Electronics,Automotive engineering,Electronic visual display,
...[+2]
patent citation: 3,501
15
Canon, Inc.
Computer hardware,Software,Computer vision,
...[+2]
patent citation: 3,458
16
LG Chem Ltd.
Petrochemical,Synthetic rubber,Health care,
...[+2]
patent citation: 3,372
17
Konica Minolta, Inc.
Medical imaging,Attractiveness,Product group,
...[+2]
patent citation: 3,293
18
Dai Nippon Printing Co., Ltd.
Electronics,Publishing,Publication,
...[+2]
patent citation: 3,250
19
Dainippon Printing Co. Ltd.
patent citation: 3,250
20
Samsung Electronics Co., Ltd.
Computer hardware,Semiconductor,Software,
...[+2]
patent citation: 3,038
21
Kaneka Corp.
Synthetic rubber,Chemical engineering,Polyvinyl chloride,
...[+2]
patent citation: 3,029
22
TOSHIBA Corp.
Semiconductor,Computer hardware,Electronics,
...[+2]
patent citation: 2,987
23
Sony Group Corp.
Computer hardware,Software,Music,
...[+2]
patent citation: 2,963
24
BOE Technology Group Co., Ltd.
Production line,Electronic visual display,Semiconductor,
...[+2]
patent citation: 2,828
25
Boe Innovation Investment Co. Ltd.
Intelligent interface,Semiconductor,Internet of Things,
...[+2]
patent citation: 2,828
26
U.S. Philips Corp.
patent citation: 2,552
27
Koninklijke Philips NV
Noord-Holland, Netherlands
Health care,Wellness Programs,Medical imaging,
...[+2]
patent citation: 2,458
28
Samsung Display Devices Co., Ltd.
patent citation: 2,457
29
Panasonic Liquid Crystal Display Co., Ltd.
Liquid-crystal display,Electronics
patent citation: 2,452
30
Nippon Zeon Co., Ltd.
Chemical engineering,Solid-state battery,Supercapacitor,
...[+1]
patent citation: 2,363
31
Ricoh Co., Ltd.
Digital media,Data visualization,Thermal paper,
...[+2]
patent citation: 2,310
32
NEC Corp.
Virtualization,Big data,Network security,
...[+2]
patent citation: 2,278
33
Fujitsu Ltd.
Cloud computing,Enterprise software,Information technology management,
...[+2]
patent citation: 2,266
34
Fujitsu Microelectronics America, Inc.
Semiconductor,Microelectronics,Electronic component,
...[+2]
patent citation: 2,266
35
Nikon Corp.
Microscope,Photography,Motion capture,
...[+2]
patent citation: 2,092
36
Sekisui Chemical Co., Ltd.
Synthetic rubber,Industrial engineering,Polyvinyl chloride,
...[+2]
patent citation: 2,038
37
Dongwoo Fine-Chem Co., Ltd.
Petrochemical,Chemical engineering
patent citation: 2,036
38
Reveo, Inc.
Electronics,Electro-optics,Alternative energy,
...[+1]
patent citation: 1,957
39
InnoValor Software BV
Overijssel, Netherlands
Software
patent citation: 1,913
40
Casio Computer Co., Ltd.
Projector,Electronics,Digital camera,
...[+2]
patent citation: 1,852
41
Casio Electronics Manufacturing Co., Ltd.
patent citation: 1,852
42
Polaroid Corp.
Digital imaging,Electronics,Laundry,
...[+2]
patent citation: 1,783
43
Citizen Watch Co., Ltd.
Quartz,Semiconductor,Electronics,
...[+2]
patent citation: 1,740
44
Nippon Kayaku Co., Ltd.
Biosimilar,Chemical engineering,Industrial engineering,
...[+2]
patent citation: 1,728
45
Toyobo Co., Ltd.
Chemical engineering,Synthetic rubber,Membrane,
...[+2]
patent citation: 1,699
46
International Business Machines Corp.
Software,Computer hardware,Enterprise software,
...[+2]
patent citation: 1,696
47
Toray Industries, Inc.
Fiber,Textile,Textile (markup language),
...[+2]
patent citation: 1,687
48
Mitsubishi Electric Engineering Co., Ltd.
patent citation: 1,513
49
Apple, Inc.
Software,Computer hardware,Peripheral,
...[+2]
patent citation: 1,381
50
Polartechnics Ltd.
Australia
Cervical cancer,Medicine,Medical equipment,
...[+2]
patent citation: 1,319
51
Carl Zeiss AG
Semiconductor,Optoelectronics,Electronics,
...[+2]
patent citation: 1,313
52
Microsoft Technology Licensing LLC
Franchise agreement
patent citation: 1,298
53
Hughes Aircraft Co.
Electronic systems,Aerospace,National security
patent citation: 1,291
54
Rolic AG
Computer hardware,Electronics
patent citation: 1,274
55
Innolux Corp.
Electronics,Manufacturing engineering,Electronic visual display,
...[+2]
patent citation: 1,241
56
The Nippon Synthetic Chemical Industry Co., Ltd.
Chemical engineering,Adhesive,Acetic acid,
...[+2]
patent citation: 1,217
57
Corning, Inc.
Telecommunications,Computer hardware,Electronics,
...[+2]
patent citation: 1,208
58
Honeywell International, Inc.
Aerospace,Electronics,Market research,
...[+2]
patent citation: 1,139
59
Teijin Ltd.
Synthetic rubber,Chemical engineering,Polycarbonate,
...[+2]
patent citation: 1,094
60
Victor Company of Japan Ltd.
Electronics,Software,High-definition television,
...[+2]
patent citation: 1,076
61
JSR Corp.
Synthetic rubber,Natural rubber,Elastomer,
...[+2]
patent citation: 1,065
62
Kyocera Corp.
Semiconductor,Electronics,Telecommunications,
...[+2]
patent citation: 1,063
63
Eastman Kodak Co.
3D printing,Photography,Digital media,
...[+2]
patent citation: 1,058
64
Kodak Ltd.
Digital camera,Electronics,Software
patent citation: 1,058
65
Tencor Instruments
Software,Computer hardware,Electronics
patent citation: 1,058
66
Stanley Electric Co., Ltd.
Headlamp,Automotive engineering,Backlight,
...[+2]
patent citation: 1,052
67
SANYO Electric Co., Ltd.
Semiconductor,Computer hardware,Software,
...[+2]
patent citation: 1,035
68
Therma-Wave, Inc.
Semiconductor,Metrology,Electronics,
...[+2]
patent citation: 1,034
69
Optronics, Inc.
Electronics,Fixture
patent citation: 1,001
70
KLA Corp.
Semiconductor,Computer hardware,Electronics,
...[+2]
patent citation: 988
71
KLA-Tencor Technologies Corp.
patent citation: 988
72
Thales Group
Aerospace,Public transport,Security market,
...[+2]
patent citation: 935
73
Thales International SAS
Aerospace,Information system,National security,
...[+1]
patent citation: 935
74
Nippon Telegraph & Telephone Corp.
Telecommunications,Cloud database,Data center,
...[+2]
patent citation: 934
75
AGC
Fluorine,Glazing,Chemical engineering,
...[+2]
patent citation: 913
76
Asahi Fiber Glass Co., Ltd.
Glass wool,Thermal insulation,Fiber,
...[+2]
patent citation: 913
77
Zygo Corp.
Metrology,Optical communication,Eddy-current testing,
...[+2]
patent citation: 801
78
Nippon Shokubai Co., Ltd.
Polymer,Acrylic acid,Chemical engineering,
...[+2]
patent citation: 799
79
Olympus Corp.
Microscope,Endoscopy,Software,
...[+2]
patent citation: 793
80
Japan Display, Inc.
Semiconductor,Electronic visual display,Navigation system,
...[+2]
patent citation: 770
81
LINTEC Corp.
Adhesive materials,Industrial engineering,Pressure sensitive,
...[+2]
patent citation: 753
82
NEC LCD Technologies Ltd.
Liquid-crystal display,Computer hardware,Electronics
patent citation: 749
83
Sumitomo Electric Industries Ltd.
Electronics,Optical fiber,Optical fiber cable,
...[+2]
patent citation: 746
84
Sumitomo Electric
Optical fiber,Electronics,Optical fiber cable
patent citation: 746
85
Mitsubishi Gas Chemical Co., Inc.
Petroleum industry,Petrochemical,Engineering plastic,
...[+2]
patent citation: 732
86
Semiconductor Energy Laboratory Co., Ltd.
Semiconductor,Transistor,Semiconductor device,
...[+2]
patent citation: 730
87
Reliant Technologies, Inc.
Medicine,Medical equipment,Dental Equipment
patent citation: 704
88
Projectavision, Inc.
Electronics,Software,Information exchange
patent citation: 696
89
LG Electronics, Inc.
Computer hardware,Electronics,Telecommunications,
...[+2]
patent citation: 695
90
Siemens AG
Power transmission,Electronics,Turbine,
...[+2]
patent citation: 694
91
Siemens SA
Madrid, Spain
Scientific Control,Telecommunications,Turbine,
...[+1]
patent citation: 694
92
Toppan, Inc.
Publishing,Semiconductor,Electronics,
...[+2]
patent citation: 693
93
Texas Instruments Incorporated
Semiconductor,Digital signal processing,Electronic component,
...[+2]
patent citation: 680
94
Soken Chemical & Engineering Co., Ltd.
Adhesive,Chemical engineering,Adhesion,
...[+2]
patent citation: 663
95
Thomson Licensing SAS
Patent licensing,Electronics
patent citation: 636
96
Kaiser Aerospace & Electronics Corp
Aerospace,Electronics,Avionics,
...[+1]
patent citation: 629
97
Toshiba Mobile Display Technology Co., Ltd
Liquid-crystal display,Computer hardware,Electronics,
...[+2]
patent citation: 621
98
Cheil Industries, Inc.
Chemical engineering,Landscaping,Diode,
...[+2]
patent citation: 615
99
Tektronix, Inc.
Semiconductor,Computer hardware,Software,
...[+2]
patent citation: 613
100
Viavi Solutions, Inc.
Computer hardware,Broadband,Optical coating,
...[+2]
patent citation: 610
Page generation time: Jul 09 2025