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Top 20 Key Players companies in Photomask
by Most Patent Citation in the China in 2022

The Photomask top 20 is Discovery PatSnap’ annual ranking of the top 20 Most Patent Citation Photomask Key Players in the China. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2022, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.
#
Company Name
Region
Tech Topics
Total
1
United Microelectronics Corp.
Semiconductor,Electronics,CMOS,
...[+2]
patent citation: 959
2
Macronix International Co., Ltd.
Semiconductor,Read-only memory,Non-volatile memory,
...[+2]
patent citation: 630
3
ProMOS Technologies, Inc.
Semiconductor,Double data rate,Electronic component,
...[+2]
patent citation: 417
4
Vanguard International Semiconductor Corp.
Semiconductor,Integrated circuit,Electronic component,
...[+1]
patent citation: 413
5
Guizhou Yihua Co. Ltd.
Fertilizer,Agriculture,Chemical engineering
patent citation: 350
6
Winbond Electronics Corp.
Flash memory,Electronics,Computer hardware,
...[+2]
patent citation: 277
7
Nanya Technology Corp.
Semiconductor,Product design,Industrial engineering,
...[+2]
patent citation: 96
8
Semiconductor Manufacturing International
Semiconductor,Computer hardware,Integrated circuit,
...[+2]
patent citation: 82
9
Hewlett-Packard Development Co.
Personal computer,Computer hardware,Graphics processing unit,
...[+2]
patent citation: 72
10
Chunghwa Picture Tubes Ltd.
Electronics,Electronic visual display,Liquid-crystal display,
...[+2]
patent citation: 53
11
Shanghai Huali Microelectronics Corp.
Microelectronics,Tariff,Food industry
patent citation: 47
12
Hannstar Display Corp.
Electronic visual display,Electronics,Digital photo frame,
...[+2]
patent citation: 44
13
ChangXin Memory Technologies, Inc.
Tariff
patent citation: 44
14
Gudeng Precision Industrial Co., Ltd.
Reticle,Automation,Manufacturing engineering,
...[+2]
patent citation: 36
15
Transcend Optronics (Yangzhou) Co. Ltd.
Electronic component,Computer hardware,Electronics,
...[+1]
patent citation: 29
16
Tianma Microelectronics Co., Ltd.
Liquid-crystal display,Telecommunications,Peripheral,
...[+2]
patent citation: 27
17
Shanghai Tianma Microelectronics Co., Ltd.
Liquid-crystal display,Computer hardware,Electronics,
...[+1]
patent citation: 27
18
China Academy of Telecommunications Technology
Information security,Telecommunications,Network security
patent citation: 24
19
Arima Optoelectronics Corp.
Semiconductor,Electronics,Backlight,
...[+2]
patent citation: 19
20
Artilux, Inc.
Optical communication,Enterprise software,Software,
...[+2]
patent citation: 18
Page generation time: Nov 21 2024