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Top 100 Key Players companies in Zener diode
by Most Patent Citation in the world in 2019

The Zener diode top 100 is Discovery PatSnap’ annual ranking of the top 100 Most Patent Citation Zener diode Key Players in the world. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2019, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.
A Zener diode is a type of diode that allows current to flow not only from its anode to its cathode, but also in the reverse direction, when the voltage across its terminals exceeds the Zener voltage, a characteristic of the device. This effect is known as the Zener effect, after Clarence Zener, who first described the phenomenon.

Key Players

Fast-growings

Startups & Unicorns

New Entrants

Ranking Year:

2022

2021

2020

2019

2018

Region:

Global

China

Japan

Germany

United States

France

South Korea

Switzerland

United Kingdom

Singapore

Canada

Italy

Ranking:

Most Patent Filings

Highest Patent Value

Most Patent Citation

Most Research Publications

Most Literature Citation

Most News Heat

#
Company Name
Region
Tech Topics
Total
1
Mitsubishi Electric Engineering Co., Ltd.
Tokyo, Japan
patent citation: 1,839
2
Panasonic Holdings Corp.
Osaka, Japan
Semiconductor,Industrial engineering,Electronics,
...[+2]
patent citation: 1,758
3
Matsushita Electronics Corp.
Osaka, Japan
Electronics,Computer hardware,DVD player,
...[+2]
patent citation: 1,758
4
Hitachi Ltd.
Tokyo, Japan
Elevator,Electrical equipment,Electric motor,
...[+2]
patent citation: 1,603
5
Siemens AG
Bayern, Germany
Power transmission,Electronics,Turbine,
...[+2]
patent citation: 1,445
6
Siemens SA
Madrid, Spain
Scientific Control,Telecommunications,Turbine,
...[+1]
patent citation: 1,445
7
Fuji Electronics Co., Ltd.
Tokyo, Japan
Semiconductor,Microcomputer,Electronic component,
...[+2]
patent citation: 1,406
8
Fuji Electric FA Components & SYstems Co., Ltd.
Tokyo, Japan
Semiconductor,Industrial engineering,Smart grid,
...[+2]
patent citation: 1,406
9
Robert Bosch GmbH
Baden-Württemberg, Germany
Automotive engineering,Mechanical engineering,Electronics,
...[+2]
patent citation: 1,296
10
Robert Bosch Corp.
Michigan, United States
Shopping mall,Truck
patent citation: 1,296
11
Siliconix, Inc.
California, United States
Semiconductor,Electronics,Electronic component,
...[+2]
patent citation: 1,188
12
STMicroelectronics SA
Île-de-France, France
Semiconductor,Semiconductor chip,Electronic component,
...[+1]
patent citation: 1,169
13
Motorola, Inc.
Illinois, United States
Telecommunications,Mobile phone,Broadband,
...[+2]
patent citation: 1,137
14
Texas Instruments Incorporated
Texas, United States
Semiconductor,Digital signal processing,Electronic component,
...[+2]
patent citation: 1,068
15
NEC Corp.
Tokyo, Japan
Virtualization,Big data,Network security,
...[+2]
patent citation: 1,049
16
TOSHIBA Corp.
Tokyo, Japan
Semiconductor,Computer hardware,Electronics,
...[+2]
patent citation: 1,033
17
National Semiconductor Corp.
Texas, United States
Semiconductor,Touchscreen,Adaptive voltage scaling,
...[+2]
patent citation: 1,031
18
Nihon Denso KK
Saitama, Japan
Manufacturing engineering,Mechanical engineering
patent citation: 753
19
Sony Group Corp.
Tokyo, Japan
Computer hardware,Software,Music,
...[+2]
patent citation: 738
20
Sharp Corp.
Osaka, Japan
Computer hardware,Electronics,Telecommunications,
...[+2]
patent citation: 697
21
Fujitsu Ltd.
Tokyo, Japan
Cloud computing,Enterprise software,Information technology management,
...[+2]
patent citation: 687
22
Fujitsu Microelectronics America, Inc.
California, United States
Semiconductor,Microelectronics,Electronic component,
...[+2]
patent citation: 687
23
U.S. Philips Corp.
Pennsylvania, United States
patent citation: 611
24
ROHM Co., Ltd.
Kyoto, Japan
Semiconductor,Electronic component,Power module,
...[+2]
patent citation: 592
25
Medtronic, Inc.
Minnesota, United States
Medicine,Implantable cardiac pacemaker,Biomedical engineering,
...[+2]
patent citation: 578
26
Nissan Motor Co., Ltd.
Kanagawa, Japan
Truck,Public transport,Automotive engineering,
...[+2]
patent citation: 531
27
Semiconductor Components Industries LLC
Arizona, United States
Semiconductor,Transistor,Image sensor,
...[+2]
patent citation: 523
28
General Motors Co.
Michigan, United States
Sport utility vehicle,Public transport,Enterprise software,
...[+2]
patent citation: 501
29
SANYO Electric Co., Ltd.
Osaka, Japan
Semiconductor,Computer hardware,Software,
...[+2]
patent citation: 470
30
General Electric Co.
Massachusetts, United States
Energy management,Turbine,Electronics,
...[+2]
patent citation: 463
31
Eaton Corp.
DUBLIN, Ireland
Automotive engineering,Power transmission,Electrical equipment,
...[+2]
patent citation: 438
32
International Business Machines Corp.
New York, United States
Software,Computer hardware,Enterprise software,
...[+2]
patent citation: 429
33
Canon, Inc.
Tokyo, Japan
Computer hardware,Software,Computer vision,
...[+2]
patent citation: 386
34
Manufacturers & Traders Trust Co.
New York, United States
Merchant services
patent citation: 369
35
Samsung Electronics Co., Ltd.
South Korea
Computer hardware,Semiconductor,Software,
...[+2]
patent citation: 358
36
Renesas Electronics Corp.
Tokyo, Japan
Semiconductor,Microcontroller,Electronics,
...[+2]
patent citation: 331
37
Ricoh Co., Ltd.
Tokyo, Japan
Digital media,Data visualization,Thermal paper,
...[+2]
patent citation: 318
38
International Rectifier Corp.
California, United States
Semiconductor,Electronics,Energy management,
...[+2]
patent citation: 313
39
SOFICS BV
Belgium
Computer hardware,Electronics,Clamp,
...[+2]
patent citation: 311
40
Hallmark Cards, Inc.
Missouri, United States
Ornaments,E-commerce,Gift card,
...[+1]
patent citation: 307
41
DENSO Corp.
Aichi, Japan
Automotive engineering,Industrial robot,Programmable logic controller,
...[+2]
patent citation: 304
42
Snap-On, Inc.
Wisconsin, United States
Automotive engineering,Cutlery,Power tool,
...[+2]
patent citation: 300
43
Bell Laboratories, Inc.
Wisconsin, United States
Rodenticide,Agriculture,Chemical engineering,
...[+2]
patent citation: 276
44
Toshiba Lighting & Technology Corp.
Kanagawa, Japan
LED lamp,Electronics,Smart glass,
...[+2]
patent citation: 275
45
Toyota Motor Corp.
Aichi, Japan
Sport utility vehicle,Mobile device,Public transport,
...[+2]
patent citation: 274
46
Advanced Analogic Technologies, Inc.
New Mexico, United States
Semiconductor,Electronics,Power management,
...[+2]
patent citation: 264
47
Murata Manufacturing Co. Ltd.
Kyoto, Japan
Semiconductor,Electronics,Electronic component,
...[+2]
patent citation: 261
48
Round Rock Research LLC
New York, United States
Transistor,Semiconductor device fabrication,Semiconductor
patent citation: 259
49
Ensign-Bickford Aerospace & Defense Co.
Connecticut, United States
Aerospace,Demolition,Energetics,
...[+1]
patent citation: 252
50
Koninklijke Philips NV
Noord-Holland, Netherlands
Health care,Wellness Programs,Medical imaging,
...[+2]
patent citation: 251
51
Analog Devices, Inc.
Massachusetts, United States
Semiconductor,Electronics,Digital signal processing,
...[+2]
patent citation: 247
52
Cooper Industries LLC
Texas, United States
Light fixture,Electronics,Fixture,
...[+2]
patent citation: 237
53
LEDtronics, Inc.
California, United States
Light therapy,Bulb,Electronics,
...[+2]
patent citation: 237
54
OMRON Corp.
Kyoto, Japan
Automation,Electronics,Health care,
...[+2]
patent citation: 233
55
Dehn + Söhne GmbH & Co. KG
Bayern, Germany
Building material
patent citation: 233
56
Toyoda Gosei Co., Ltd.
Aichi, Japan
Optoelectronics,Airbag,Synthetic rubber,
...[+2]
patent citation: 226
57
Honeywell International, Inc.
North Carolina, United States
Aerospace,Electronics,Market research,
...[+2]
patent citation: 225
58
Koito Manufacturing Co., Ltd.
Tokyo, Japan
Headlamp,Automotive engineering,Fixture,
...[+2]
patent citation: 223
59
Koito
Tokyo, Japan
Electrical equipment,Automotive engineering
patent citation: 223
60
Seiko Epson Corp.
Nagano, Japan
Wearable technology,Projector,Electronics,
...[+2]
patent citation: 218
61
United Microelectronics Corp.
Taiwan Province, China
Semiconductor,Electronics,CMOS,
...[+2]
patent citation: 217
62
Leviton Manufacturing Co., Inc.
New York, United States
Energy management,Electrical equipment,Computer hardware,
...[+2]
patent citation: 213
63
Semiconductor Energy Laboratory Co., Ltd.
Kanagawa, Japan
Semiconductor,Transistor,Semiconductor device,
...[+2]
patent citation: 208
64
Pioneer Corp.
Fukushima, Japan
Navigation system,Laserdisc player,Electronic product,
...[+2]
patent citation: 204
65
LG Electronics, Inc.
South Korea
Computer hardware,Electronics,Telecommunications,
...[+2]
patent citation: 202
66
Micron Technology, Inc.
Idaho, United States
Semiconductor,Computer hardware,Solid-state drive,
...[+2]
patent citation: 202
67
IDD Aerospace Corp.
Washington, United States
Aerospace,National security,Semiconductor,
...[+1]
patent citation: 201
68
Power Integrations, Inc.
California, United States
Semiconductor,Product design,Social network,
...[+2]
patent citation: 199
69
Freescale Semiconductor, Inc.
Texas, United States
Semiconductor,Industrial engineering,Automotive engineering,
...[+2]
patent citation: 195
70
Diehl Stiftung & Co. KG
Germany
Metal,Automation,Mechanical engineering,
...[+2]
patent citation: 194
71
Shanken Electric Co. Ltd.
Japan
patent citation: 192
72
Hitachi Car Engineering Co., Ltd.
Japan
Automotive engineering
patent citation: 181
73
Licentia Patent Verwaltungs GmbH
Nordrhein-Westfalen, Germany
patent citation: 180
74
Braun AG
Switzerland
Shopping mall
patent citation: 179
75
LIG Nex1 Co., Ltd.
South Korea
Missile,Electronics,Radar,
...[+2]
patent citation: 177
76
Intel Corp.
California, United States
Semiconductor,Software,Computer hardware,
...[+2]
patent citation: 171
77
Lucas Industries Plc
West Midlands, United Kingdom
Automotive engineering,Aerospace,Alternator,
...[+2]
patent citation: 169
78
ElectraLED, Inc.
United States
Electronics,Fixture
patent citation: 169
79
Microsoft Technology Licensing LLC
Washington, United States
Franchise agreement
patent citation: 167
80
Dexerials Corp.
Tokyo, Japan
Electronic component,Polarizer,Electronics,
...[+2]
patent citation: 163
81
Fujitsu General Ltd.
Kanagawa, Japan
Air conditioning,Automation,Mechanical engineering,
...[+2]
patent citation: 162
82
Infineon Technologies AG
Bayern, Germany
Semiconductor,Electronics,Efficient energy use,
...[+2]
patent citation: 159
83
Korry Electronics Co.
Washington, United States
Electronics,Distribution board,Computer hardware,
...[+2]
patent citation: 159
84
Astec International Ltd. (Hong Kong)
Hong Kong SAR, China
Power transmission,Electronics
patent citation: 157
85
Olympus Corp.
Tokyo, Japan
Microscope,Endoscopy,Software,
...[+2]
patent citation: 156
86
Oki Electric Industry Co., Ltd.
Tokyo, Japan
Telecommunications,Call centre,Software,
...[+2]
patent citation: 156
87
Yazaki Corp.
Tokyo, Japan
Electronic component,Automotive engineering,Cable harness,
...[+2]
patent citation: 156
88
Astronics DME LLC
United States
Bulb,Electric light,Fixture,
...[+1]
patent citation: 149
89
Tecumseh Products Co. LLC
Michigan, United States
Refrigeration,Scroll compressor,Air conditioning,
...[+2]
patent citation: 146
90
Lucent Technologies, Inc.
New Jersey, United States
Software,Telecommunications,Private network,
...[+2]
patent citation: 145
91
Raytheon Co.
Massachusetts, United States
Missile,National security,Aerospace,
...[+2]
patent citation: 144
92
Lear Corporation Eeds & Interiors
Michigan, United States
Millwork,Forestry
patent citation: 141
93
Winbond Electronics Corp.
Taiwan Province, China
Flash memory,Electronics,Computer hardware,
...[+2]
patent citation: 135
94
MKS Instruments, Inc.
Massachusetts, United States
Mass flow controller,Enterprise software,Semiconductor,
...[+2]
patent citation: 130
95
Micrel, Inc.
California, United States
Semiconductor,Ethernet,Industrial engineering,
...[+2]
patent citation: 130
96
Toshiba Tec Corp.
Tokyo, Japan
Computer hardware,Peripheral,Electronics,
...[+2]
patent citation: 129
97
Ford Motor Co. Ltd.
Essex, United Kingdom
Automotive engineering,Mechanical engineering,Public transport,
...[+2]
patent citation: 124
98
Merlin Gerin SA
France
Electronics
patent citation: 121
99
Motorola Solutions, Inc.
Illinois, United States
Wireless,Network security,Mobile device,
...[+2]
patent citation: 120
100
Zenith Electronics LLC
Illinois, United States
Electronics,High-net-worth individual,Display device,
...[+2]
patent citation: 120

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