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Top 20 Key Players companies in XNOR gate
by Most Patent Filings in the world in 2021

The XNOR gate top 20 is Discovery PatSnap’ annual ranking of the top 20 Most Patent Filings XNOR gate 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.
The XNOR gate (sometimes ENOR, EXNOR or NXOR and pronounced as Exclusive NOR) is a digital logic gate whose function is the logical complement of the exclusive OR (XOR) gate. The two-input version implements logical equality, behaving according to the truth table to the right, and hence the gate is sometimes called an "equivalence gate". A high output (1) results if both of the inputs to the gate are the same.
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Company Name
Region
Tech Topics
Total
1
nChain Holdings Ltd.
United Kingdom
Blockchain
Patent: 9
2
TranSwitch Corp.
Semiconductor,Voice over IP,Electronics,
...[+2]
Patent: 5
3
Sun Microsystems, Inc.
Software,Semiconductor,Microprocessor,
...[+2]
Patent: 5
4
NXP BV
Noord-Brabant, Netherlands
Semiconductor,Semiconductor chip,Electronic component
Patent: 5
5
Samsung Electronics Co., Ltd.
South Korea
Computer hardware,Semiconductor,Software,
...[+2]
Patent: 4
6
Texas Instruments Incorporated
Semiconductor,Digital signal processing,Electronic component,
...[+2]
Patent: 3
7
State Grid Corp. of China
Electric vehicle,Power grid,Total asset,
...[+2]
Patent: 3
8
Zhejiang Electric Power Co., Ltd.
Power grid,Power transmission,Virtual currency,
...[+2]
Patent: 3
9
Zhejiang Huayun Information Technology Co., Ltd.
Information technology consulting,Systems design
Patent: 3
10
International Business Machines Corp.
Software,Computer hardware,Enterprise software,
...[+2]
Patent: 2
11
Koninklijke Philips NV
Noord-Holland, Netherlands
Health care,Wellness Programs,Medical imaging,
...[+2]
Patent: 2
12
Sumitomo Electric Industries Ltd.
Electronics,Optical fiber,Optical fiber cable,
...[+2]
Patent: 2
13
NEC Corp.
Virtualization,Big data,Network security,
...[+2]
Patent: 2
14
Taiwan Semiconductor Manufacturing Co., Ltd.
Semiconductor,Electronics,Product design,
...[+2]
Patent: 2
15
Sumitomo Electric
Optical fiber,Electronics,Optical fiber cable
Patent: 2
16
Graphcore Ltd.
Bristol, United Kingdom
Machine learning,Semiconductor,Artificial intelligence,
...[+2]
Patent: 2
17
Daewoo Electronics Co. Ltd.
South Korea
Electronics,Graphics processing unit,Peripheral,
...[+2]
Patent: 2
18
Wuxi China Resources Semico Co. Ltd.
Semiconductor,Transistor,Electronic component
Patent: 2
19
Intel Corp.
Semiconductor,Software,Computer hardware,
...[+2]
Patent: 1
20
DAIKIN INDUSTRIES Ltd.
Air conditioning,Refrigeration,Mechanical engineering,
...[+2]
Patent: 1
Page generation time: May 14 2025