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Top 20 Key Players companies in Zener diode
by Most Patent Filings in the United Kingdom in 2018

The Zener diode top 20 is Discovery PatSnap’ annual ranking of the top 20 Most Patent Filings Zener diode Key Players in the United Kingdom. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2018, 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

France

South Korea

United Kingdom

Switzerland

Italy

Ranking:

Most Patent Filings

Highest Patent Value

Most Patent Citation

#
Company Name
Region
Tech Topics
Total
1
Lucas Industries Plc
West Midlands, United Kingdom
Automotive engineering,Aerospace,Alternator,
...[+2]
Patent: 146
2
Gec Plc
United Kingdom
Patent: 86
3
Associated Electrical Industries Ltd.
West Midlands, United Kingdom
Patent: 79
4
AccurIC Ltd.
Worcestershire, United Kingdom
Computer hardware,Light-emitting diode,Diode,
...[+2]
Patent: 49
5
ITT Industries Ltd.
Hampshire, United Kingdom
Automation,Manufacturing engineering,Industrial engineering,
...[+2]
Patent: 41
6
Marconi Corp. Plc
United Kingdom
Computer hardware,Electronics
Patent: 37
7
Kodak Ltd.
Hertfordshire, United Kingdom
Digital camera,Electronics,Software
Patent: 21
8
Lucas Electrical Ltd.
Warwickshire, United Kingdom
Spark plug,Electronics,Glow plug,
...[+2]
Patent: 21
9
Ford Motor Co. Ltd.
Essex, United Kingdom
Automotive engineering,Mechanical engineering,Public transport,
...[+2]
Patent: 20
10
Post Office Ltd.
United Kingdom
Telephony
Patent: 20
11
Foxboro
United Kingdom
Avionics,Automation,Information technology consulting,
...[+1]
Patent: 19
12
National Research Development Corp.
United Kingdom
Patent: 17
13
Thorn EMI Plc
United Kingdom
Software,Publishing
Patent: 13
14
Honeywell Information Systems Ltd.
Lancashire, United Kingdom
Patent: 11
15
Brigade Electronics (UK) Ltd.
Kent, United Kingdom
Avionics,Truck,Manufacturing engineering,
...[+2]
Patent: 10
16
PFU Ltd.
Hillingdon, United Kingdom
Integrated management,Enterprise content management,Workflow
Patent: 9
17
Emerson Process Management Ltd.
Leicestershire, United Kingdom
Process management
Patent: 9
18
Kenwood Ltd.
Hampshire, United Kingdom
Microwave oven,Electronics,Vacuum cleaner
Patent: 8
19
Gemalto Terminals Ltd.
United Kingdom
Point of sale
Patent: 8
20
STC Plc
United Kingdom
Wireless,Telecommunications
Patent: 7

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