Top 20 Key Players companies in Wafer by Most Patent Filings in the China in 2022 – Discovery

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1	Semiconductor Manufacturing International	Shanghai Shi, China	Semiconductor,Computer hardware,Integrated circuit, ...[+2]	Patent: 9
2	ChangXin Memory Technologies, Inc.	Anhui Sheng, China	Tariff	Patent: 8
3	SanDisk Semiconductor (Shanghai) Co., Ltd.	Shanghai Shi, China	Peripheral,Semiconductor,Computer hardware, ...[+2]	Patent: 8
4	United Microelectronics Corp.	Taiwan Province, China	Semiconductor,Electronics,CMOS, ...[+2]	Patent: 7
5	Xiamen San'an Integrated Circuit Co., Ltd.	Fujian Sheng, China	Information technology consulting,Semiconductor,Gallium arsenide, ...[+2]	Patent: 3
6	Lattice Power (Jiangxi) Corp.	Jiangxi Sheng, China	Semiconductor,Silicon,Epitaxy, ...[+2]	Patent: 3
7	SanDisk Information Technology (Shanghai) Co., Ltd.	Shanghai Shi, China	Semiconductor,Semiconductor device,Electronic component	Patent: 3
8	Walton Advanced Engineering, Inc.	Taiwan Province, China	Semiconductor,Flip chip,Electronic component, ...[+2]	Patent: 2
9	Sino IC Technology Co. Ltd.	Shanghai Shi, China	Integrated circuit,Industrial production,Nondestructive testing, ...[+2]	Patent: 2
10	Beijing NAURA Microelectronics Equipment Co., Ltd.	Beijing Shi, China	Computer hardware,Electronics,Etching, ...[+2]	Patent: 2
11	Beijing SuperPix Micro Technology Co., Ltd.	Beijing Shi, China	Computer hardware,Image sensor,Electronics, ...[+2]	Patent: 2
12	Beijing U-PRECISION TECH Co., Ltd.	Beijing Shi, China	Semiconductor,Electronic component	Patent: 2
13	Zing Semiconductor Corp.	Shanghai Shi, China		Patent: 2
14	BOE Technology Group Co., Ltd.	Beijing Shi, China	Production line,Electronic visual display,Semiconductor, ...[+2]	Patent: 1
15	VIA Technologies, Inc.	Taiwan Province, China	Computer hardware,Software,EPIA, ...[+2]	Patent: 1
16	Chroma Ate, Inc.	Taiwan Province, China	Semiconductor,Electronics,Automation, ...[+2]	Patent: 1
17	King Yuan Electronics Co., Ltd.	Taiwan Province, China	Semiconductor,Electronics,Systems design, ...[+2]	Patent: 1
18	ChipMOS Technologies, Inc.	Taiwan Province, China	Semiconductor,Electronics,Flip chip, ...[+2]	Patent: 1
19	Vanguard International Semiconductor Corp.	Taiwan Province, China	Semiconductor,Integrated circuit,Electronic component, ...[+1]	Patent: 1
20	Chunghwa Precision Test Tech Co., Ltd.	Taiwan Province, China	Semiconductor,Printed circuit board,Electronic component, ...[+2]	Patent: 1