Top 20 Key Players companies in Lithography by Most Patent Citation in the China in 2021 – Discovery

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1	United Microelectronics Corp.	Taiwan Province, China	Semiconductor,Electronics,CMOS, ...[+2]	patent citation: 3,393
2	Macronix International Co., Ltd.	Taiwan Province, China	Semiconductor,Read-only memory,Non-volatile memory, ...[+2]	patent citation: 1,575
3	Vanguard International Semiconductor Corp.	Taiwan Province, China	Semiconductor,Integrated circuit,Electronic component, ...[+1]	patent citation: 1,341
4	Semiconductor Manufacturing International	Shanghai Shi, China	Semiconductor,Computer hardware,Integrated circuit, ...[+2]	patent citation: 573
5	Winbond Electronics Corp.	Taiwan Province, China	Flash memory,Electronics,Computer hardware, ...[+2]	patent citation: 549
6	ProMOS Technologies, Inc.	Taiwan Province, China	Semiconductor,Double data rate,Electronic component, ...[+2]	patent citation: 471
7	Nanya Technology Corp.	Taiwan Province, China	Semiconductor,Product design,Industrial engineering, ...[+2]	patent citation: 262
8	Hewlett-Packard Development Co.	Beijing Shi, China	Personal computer,Computer hardware,Graphics processing unit, ...[+2]	patent citation: 229
9	Shanghai Huahong Grace Semiconductor Manufacturing Corp.	Shanghai Shi, China	Foundry,Metal,Mining engineering, ...[+2]	patent citation: 174
10	Shanghai Huali Microelectronics Corp.	Shandong Sheng, China	Microelectronics,Tariff,Food industry	patent citation: 154
11	KINGSEMI Co., Ltd.	Liaoning Sheng, China	Automation,Manufacturing engineering,Industrial engineering, ...[+2]	patent citation: 125
12	Primax Electronics Ltd.	Taiwan Province, China	Electronics,Still camera,Peripheral, ...[+2]	patent citation: 112
13	Hannstar Display Corp.	Taiwan Province, China	Electronic visual display,Electronics,Digital photo frame, ...[+2]	patent citation: 110
14	Diodes Taiwan, Inc.	Taiwan Province, China	Semiconductor,Electronic component	patent citation: 110
15	BOE Technology Group Co., Ltd.	Beijing Shi, China	Production line,Electronic visual display,Semiconductor, ...[+2]	patent citation: 108
16	Boe Innovation Investment Co. Ltd.	Beijing Shi, China	Intelligent interface,Semiconductor,Internet of Things, ...[+2]	patent citation: 108
17	TSMC (China) Co., Ltd.	Shanghai Shi, China	Semiconductor,Integrated circuit,Semiconductor device fabrication, ...[+2]	patent citation: 106
18	ChangXin Memory Technologies, Inc.	Anhui Sheng, China	Tariff	patent citation: 86
19	Guizhou Yihua Co. Ltd.	Guizhou Sheng, China	Fertilizer,Agriculture,Chemical engineering	patent citation: 78
20	CSMC Technologies Fab 1 Co., Ltd.	Jiangsu Sheng, China		patent citation: 74