Top 50 Key Players companies in Photomask by Most Patent Filings in the China in 2020 – Discovery

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1	United Microelectronics Corp.	Taiwan Province, China	Semiconductor,Electronics,CMOS, ...[+2]	Patent: 188
2	Semiconductor Manufacturing International	Shanghai Shi, China	Semiconductor,Computer hardware,Integrated circuit, ...[+2]	Patent: 67
3	Nanya Technology Corp.	Taiwan Province, China	Semiconductor,Product design,Industrial engineering, ...[+2]	Patent: 65
4	ChangXin Memory Technologies, Inc.	Anhui Sheng, China	Tariff	Patent: 63
5	Macronix International Co., Ltd.	Taiwan Province, China	Semiconductor,Read-only memory,Non-volatile memory, ...[+2]	Patent: 55
6	Chunghwa Picture Tubes Ltd.	Taiwan Province, China	Electronics,Electronic visual display,Liquid-crystal display, ...[+2]	Patent: 36
7	Shanghai Huali Microelectronics Corp.	Shandong Sheng, China	Microelectronics,Tariff,Food industry	Patent: 33
8	Winbond Electronics Corp.	Taiwan Province, China	Flash memory,Electronics,Computer hardware, ...[+2]	Patent: 32
9	Vanguard International Semiconductor Corp.	Taiwan Province, China	Semiconductor,Integrated circuit,Electronic component, ...[+1]	Patent: 31
10	Guizhou Yihua Co. Ltd.	Guizhou Sheng, China	Fertilizer,Agriculture,Chemical engineering	Patent: 24
11	ProMOS Technologies, Inc.	Taiwan Province, China	Semiconductor,Double data rate,Electronic component, ...[+2]	Patent: 19
12	HKC Corp. Ltd.	Guangdong Sheng, China	LED display,Graphics processing unit,Information technology management, ...[+2]	Patent: 18
13	Shanghai Huahong Grace Semiconductor Manufacturing Corp.	Shanghai Shi, China	Foundry,Metal,Mining engineering, ...[+2]	Patent: 18
14	Fujian Jinhua Integrated Circuit Co., Ltd.	Fujian Sheng, China	Semiconductor,Tariff	Patent: 17
15	Silergy Semiconductor Technology (Hangzhou) Co., Ltd.	Zhejiang Sheng, China	Semiconductor,Electronic component	Patent: 17
16	Hannstar Display Corp.	Taiwan Province, China	Electronic visual display,Electronics,Digital photo frame, ...[+2]	Patent: 16
17	Gudeng Precision Industrial Co., Ltd.	Taiwan Province, China	Reticle,Automation,Manufacturing engineering, ...[+2]	Patent: 13
18	Nanjing CEC-PANDA LCD Technology Co., Ltd.	Jiangsu Sheng, China	Computer hardware,Electronics,Flat panel display, ...[+2]	Patent: 12
19	Artilux, Inc.	Taiwan Province, China	Optical communication,Enterprise software,Software, ...[+2]	Patent: 9
20	Hon Hai Precision Industry Co., Ltd.	Taiwan Province, China	Computer hardware,Electronics,Wireless connectivity, ...[+2]	Patent: 8
21	BOE Technology Group Co., Ltd.	Beijing Shi, China	Production line,Electronic visual display,Semiconductor, ...[+2]	Patent: 8
22	InfoVision Optoelectronics (Kunshan) Co., Ltd.	Jiangsu Sheng, China	Liquid-crystal display,Electronics,Computer hardware, ...[+2]	Patent: 8
23	Boe Innovation Investment Co. Ltd.	Beijing Shi, China	Intelligent interface,Semiconductor,Internet of Things, ...[+2]	Patent: 8
24	Nuvoton Technology Corp.	Jiangsu Sheng, China	Semiconductor,Microcontroller,Electronics, ...[+2]	Patent: 7
25	Hewlett-Packard Development Co.	Beijing Shi, China	Personal computer,Computer hardware,Graphics processing unit, ...[+2]	Patent: 7
26	TSMC Nanjing Co., Ltd.	China		Patent: 7
27	TSMC (China) Co., Ltd.	Shanghai Shi, China	Semiconductor,Integrated circuit,Semiconductor device fabrication, ...[+2]	Patent: 7
28	Realtek Semiconductor Corp.	Taiwan Province, China	Semiconductor,Ethernet,Electronic component, ...[+2]	Patent: 6
29	Nexchip Semiconductor Corp.	Anhui Sheng, China	Semiconductor,Electronic component	Patent: 6
30	Innoscience (Zhuhai) Technology Co. Ltd.	Guangdong Sheng, China	Semiconductor,Electronic component	Patent: 6
31	Founder Microelectronics, Inc.	Guangdong Sheng, China	Insulated-gate bipolar transistor,MOSFET,Semiconductor device fabrication, ...[+1]	Patent: 6
32	Xiamen San'an Optoelectronics Technology Co., Ltd.	Fujian Sheng, China	Semiconductor,Optical communication,Optoelectronics, ...[+2]	Patent: 6
33	Genesis Photonics, Inc.	Taiwan Province, China	Semiconductor,Chip-scale package,Diode, ...[+2]	Patent: 5
34	Peking University Founder Group Corp.	Beijing Shi, China	Cytidine monophosphate,Peripheral,Graphics processing unit, ...[+2]	Patent: 5
35	Jiangsu Xiechang Electronic Technology Co., Ltd.	Jiangsu Sheng, China	Motion controller,Electronics,Electrical equipment	Patent: 5
36	Xiamen San'an Optoelectronics Co., Ltd.	Fujian Sheng, China	Semiconductor,Microprocessor,Capacitor, ...[+2]	Patent: 5
37	Anpec Electronics Corp.	Taiwan Province, China	Semiconductor,Integrated circuit,Electronic component, ...[+2]	Patent: 4
38	Advanced Analog Technology, Inc.	Taiwan Province, China	Semiconductor,Power management,Electronic component	Patent: 4
39	TPK Touch Solutions Inc.	Taiwan Province, China	Electronic component,Semiconductor	Patent: 4
40	Advanced Chip Engineering Technology, Inc.	Taiwan Province, China	Semiconductor,Wafer-level packaging,Burn-in, ...[+1]	Patent: 4
41	Hejian Technology (Suzhou) Co., Ltd.	Jiangsu Sheng, China	Semiconductor,Wafer,Integrated circuit, ...[+1]	Patent: 4
42	Toppoly Optoelectronics Corp.	Taiwan Province, China		Patent: 4
43	Tianma Microelectronics Co., Ltd.	Shanghai Shi, China	Liquid-crystal display,Telecommunications,Peripheral, ...[+2]	Patent: 3
44	Unimicron Technology Corp.	Taiwan Province, China	Printed electronics,Electronics,Package on package, ...[+2]	Patent: 3
45	Advanced Power Electronics Corp.	Taiwan Province, China	Semiconductor,Electronic component,Power electronics, ...[+2]	Patent: 3
46	Xintec, Inc.	Taiwan Province, China	Semiconductor,Wafer,Electronic component, ...[+2]	Patent: 3
47	Semiconductor Manufacturing Electronics (Shaoxing) Corp.	Zhejiang Sheng, China	Semiconductor,Electronics,Electronic product	Patent: 3
48	China Resources Microelectronics (Chongqing) Co., Ltd.	Chongqing Shi, China	Semiconductor,Electronics,Electronic component	Patent: 3
49	Shanghai Tianma Microelectronics Co., Ltd.	Shanghai Shi, China	Liquid-crystal display,Computer hardware,Electronics, ...[+1]	Patent: 3
50	CSMC Technologies Fab 1 Co., Ltd.	Jiangsu Sheng, China		Patent: 3