Top 50 Key Players companies in Autofocus by Most Patent Citation in the China in 2021 – Discovery

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1	Hon Hai Precision Industry Co., Ltd.	Taiwan Province, China	Computer hardware,Electronics,Wireless connectivity, ...[+2]	patent citation: 539
2	TDK Taiwan Corp.	Taiwan Province, China	Electronic component,Computer hardware,Electronics, ...[+1]	patent citation: 358
3	Hewlett-Packard Development Co.	Beijing Shi, China	Personal computer,Computer hardware,Graphics processing unit, ...[+2]	patent citation: 212
4	Powergate Optical, Inc.	Taiwan Province, China		patent citation: 165
5	Transpacific IP Ltd.	Taiwan Province, China	Intellectual property,Real estate development	patent citation: 157
6	E-Pin Optical Industry Co., Ltd.	Taiwan Province, China	Optical instrument,Electronics,Semiconductor, ...[+1]	patent citation: 129
7	Oppo	Guangdong Sheng, China	Electronics,Mobile device,Image sensor, ...[+2]	patent citation: 104
8	Guangdong OPPO Mobile Telecommunications Corp., Ltd.	Guangdong Sheng, China	Mobile phone,Telecommunications,Terminal equipment, ...[+2]	patent citation: 104
9	Hong Kong Applied Science & Technology Research Institute	Hong Kong SAR, China	Applied research,Market research,Industrial engineering, ...[+2]	patent citation: 101
10	Truly Opto Electronics Ltd.	Hong Kong SAR, China	Camera module,Still camera,Electronics, ...[+2]	patent citation: 100
11	Vasstek International Corp.	Taiwan Province, China	Computer hardware,Electronics,Mobile phone, ...[+2]	patent citation: 87
12	BenQ Corp.	Taiwan Province, China	Projector,Digital signage,Graphics processing unit, ...[+2]	patent citation: 82
13	MStar Semiconductor, Inc.	Taiwan Province, China	Semiconductor,Near field communication,Product design, ...[+2]	patent citation: 61
14	Shinyoptics Corp.	Taiwan Province, China	Liquid crystal on silicon,Computer hardware,Electronics	patent citation: 61
15	Winbond Electronics Corp.	Taiwan Province, China	Flash memory,Electronics,Computer hardware, ...[+2]	patent citation: 59
16	Primax Electronics Ltd.	Taiwan Province, China	Electronics,Still camera,Peripheral, ...[+2]	patent citation: 54
17	Altek Semiconductor Co., Ltd.	Taiwan Province, China		patent citation: 53
18	Sunny Optical Technology (Group) Co., Ltd.	Zhejiang Sheng, China	Still camera,Camera module,Optics, ...[+2]	patent citation: 51
19	Silitech Technology Corp.	Taiwan Province, China	Keypad,Electronic component,Semiconductor, ...[+2]	patent citation: 51
20	ZTE Corp.	Guangdong Sheng, China	Telecommunications,Computer hardware,Wireless, ...[+2]	patent citation: 48
21	Huawei Device Co., Ltd.	Guangdong Sheng, China	Electronic product,Medical equipment,Telecommunications, ...[+1]	patent citation: 48
22	Xiamen Xinhongzhou Precision Technology Co. Ltd.	Fujian Sheng, China	Audio equipment	patent citation: 45
23	Hisense Visual Technology Co., Ltd.	Shandong Sheng, China	Television set,Electronics,Visual technology, ...[+2]	patent citation: 43
24	Taiwan Semiconductor Manufacturing Co., Ltd.	Taiwan Province, China	Semiconductor,Electronics,Product design, ...[+2]	patent citation: 41
25	UNICORN SZ DJI Technology Co., Ltd.	Guangdong Sheng, China	Aerospace,Global workforce,Photography, ...[+2]	patent citation: 41
26	Kunshan Q Technology Co., Ltd.	Jiangsu Sheng, China	Electronics,Network switch,Memory chip, ...[+2]	patent citation: 41
27	STARTUP Sunming Technologies (HK) Ltd.	Anhui Sheng, China	Mobile device,Optical imaging,Mobile phone	patent citation: 39
28	vivo Mobile Communication Co., Ltd.	Guangdong Sheng, China	5G,Telecommunications,Wireless	patent citation: 39
29	W. Haking Enterprises Ltd.	Hong Kong SAR, China	Electronics	patent citation: 38
30	Altek Corp.	Taiwan Province, China	Digital imaging,Electronics,Digital camera, ...[+2]	patent citation: 37
31	Union Optech Co., Ltd.	Anhui Sheng, China	Electronics,Computer hardware,Software	patent citation: 36
32	Huizhou TCL Mobile Communication Co., Ltd.	Guangdong Sheng, China	Telecommunications,Mobile phone	patent citation: 35
33	Huawei Technologies Co., Ltd.	Guangdong Sheng, China	Wireless,Software,Mobile device, ...[+2]	patent citation: 31
34	LARGAN Precision Co., Ltd.	Taiwan Province, China	Electronics,Photography,Camera lens, ...[+2]	patent citation: 27
35	Tianjin Samsung Opto-electronics Co. Ltd.	Tianjin Shi, China	Digital camera,Electronics,Laundry, ...[+1]	patent citation: 25
36	Ability Opto-Electronics Technology Co., Ltd.	Taiwan Province, China	Semiconductor,Electronics,Digital camera, ...[+2]	patent citation: 23
37	Young Optics, Inc.	Taiwan Province, China	Optics,Electronics,Semiconductor, ...[+2]	patent citation: 22
38	Gionee Communication Equipment Co. Ltd.	Shanghai Shi, China	Mobile device,Enterprise software,Software, ...[+2]	patent citation: 21
39	Fuzhun Precision Industry (Shenzhen) Co., Ltd.	China		patent citation: 21
40	Kinpo Electronics, Inc.	Taiwan Province, China	Electronics,Computer hardware,Electronic component, ...[+2]	patent citation: 20
41	Shanghai Feixun Communication Co., Ltd	Henan Sheng, China	Cloud computing,Electronics,Customer relationship management	patent citation: 20
42	HTC Corp.	Taiwan Province, China	Mobile device,Computer hardware,Virtual reality, ...[+2]	patent citation: 19
43	Guangzhou Daling Industry Co. Ltd.	Guangdong Sheng, China	Electronic product,Computer hardware,Electronics, ...[+2]	patent citation: 19
44	Lenovo Group Ltd.	Beijing Shi, China	Computer hardware,Mobile device,Electronics, ...[+2]	patent citation: 18
45	Lite-On Technology Corp.	Taiwan Province, China	Computer hardware,Software,Solid-state drive, ...[+2]	patent citation: 18
46	Hisense Broadband Multimedia Technologies Co., Ltd.	Fujian Sheng, China	Electronics,Computer hardware,Optical Module, ...[+2]	patent citation: 18
47	Premier Image Technology Corp.	Taiwan Province, China	Digital camera,Electronics	patent citation: 18
48	Coretronic Corp.	Jiangsu Sheng, China	Projector,Computer hardware,Electronics, ...[+2]	patent citation: 16
49	Ability Enterprise Co., Ltd.	Taiwan Province, China	Digital camera,Electronics,Camera module	patent citation: 14
50	Suzhou Microclear Medical Instruments Co. Ltd.	Jiangsu Sheng, China	Optical instrument,Semiconductor,Electronics, ...[+1]	patent citation: 14