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Top 100 Fast-growings companies in Etching
by Most Patent Filing In 3 Years in the China in 2021

The Etching top 100 is Discovery PatSnap’ annual ranking of the top 100 Most Patent Filing In 3 Years Etching Fast-growings in the China. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2021, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.
Etching is traditionally the process of using strong acid or mordant to cut into the unprotected parts of a metal surface to create a design in intaglio (incised) in the metal. In modern manufacturing, other chemicals may be used on other types of material. As a method of printmaking, it is, along with engraving, the most important technique for old master prints, and remains in wide use today. In a number of modern variants such as microfabrication etching and photochemical milling it is a crucial technique in much modern technology, including circuit boards.
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Company Name
Region
Tech Topics
Total
1
Taiwan Semiconductor Manufacturing Co., Ltd.
Semiconductor,Electronics,Product design,
...[+2]
Patent: 256
2
Yangtze Memory Technologies Co., Ltd.
Semiconductor,Flash memory,Solid-state drive,
...[+2]
Patent: 125
3
Shanghai Huahong Grace Semiconductor Manufacturing Corp.
Foundry,Metal,Mining engineering,
...[+2]
Patent: 91
4
Shanghai Huali Integrated Circuit Manufacturing Co., Ltd.
Integrated circuit,Microprocessor,Electron,
...[+2]
Patent: 82
5
Institute of Microelectronics of Chinese Academy of Sciences
Microelectronics,Chemical engineering,Electronics,
...[+2]
Patent: 69
6
ChangXin Memory Technologies, Inc.
Tariff
Patent: 67
7
Jiangsu Leuven Instrument Co. Ltd.
Semiconductor,Electronic component
Patent: 42
8
Shanghai Huali Microelectronics Corp.
Microelectronics,Tariff,Food industry
Patent: 41
9
Beijing NAURA Microelectronics Equipment Co., Ltd.
Computer hardware,Electronics,Etching,
...[+2]
Patent: 38
10
Advanced Micro Fabrication Equipment, Inc. China
Semiconductor,Chemical vapor deposition,Microfabrication,
...[+2]
Patent: 35
11
BOE Technology Group Co., Ltd.
Production line,Electronic visual display,Semiconductor,
...[+2]
Patent: 35
12
Boe Innovation Investment Co. Ltd.
Intelligent interface,Semiconductor,Internet of Things,
...[+2]
Patent: 35
13
Hua Hong Semiconductor Wuxi Ltd.
Patent: 33
14
TCL China Star Optoelectronics Technology Co., Ltd.
Computer hardware,Liquid-crystal display,Electronics,
...[+2]
Patent: 32
15
Semiconductor Manufacturing International (Shanghai) Corp.
Semiconductor,Electronic component
Patent: 31
16
Semiconductor Manufacturing International
Semiconductor,Computer hardware,Integrated circuit,
...[+2]
Patent: 31
17
University of Electronic Science & Technology of China
Power semiconductor device,Semiconductor,Molecular beam epitaxy,
...[+2]
Patent: 27
18
Dalian University of Technology
Revocation,Materials science,Chemistry,
...[+2]
Patent: 25
19
Tsinghua University
Western culture,TUTOR,Silicon carbide,
...[+2]
Patent: 24
20
Zhejiang University
Pinyin,Educational institution,Cancer immunotherapy,
...[+2]
Patent: 21
21
South China University of Technology
Power semiconductor device,Semiconductor,Science park,
...[+2]
Patent: 21
22
Sun Yat-Sen University
Management science,Square kilometer,Social science,
...[+2]
Patent: 20
23
Nanjing University
Pinyin,Public university,Chemistry,
...[+2]
Patent: 18
24
University of Science & Technology Beijing
Metallurgy,Pinyin,Materials science,
...[+2]
Patent: 18
25
Enkris Semiconductor, Inc.
Patent: 18
26
Huazhong University of Science & Technology
Education development,Cell therapy,Drug repositioning,
...[+2]
Patent: 17
27
Xi'an Jiaotong University
Materials science,Computer science,Composite material,
...[+2]
Patent: 17
28
Shandong University
Pinyin,Public university,Coronavirus,
...[+2]
Patent: 15
29
HKC Corp. Ltd.
LED display,Graphics processing unit,Information technology management,
...[+2]
Patent: 15
30
Xiamen San'an Integrated Circuit Co., Ltd.
Information technology consulting,Semiconductor,Gallium arsenide,
...[+2]
Patent: 15
31
Tianjin University
Radio-frequency identification,Coronavirus disease 2019 (COVID-19),Pinyin,
...[+2]
Patent: 14
32
SiEn (Qingdao) Integrated Circuits Co., Ltd.
Tariff
Patent: 14
33
Fudan University
Square kilometer,Biophysics,Cell therapy,
...[+2]
Patent: 14
34
Harbin Institute of Technology
Facial recognition system,Artificial intelligence,Science and engineering,
...[+2]
Patent: 14
35
Xidian University
Social science,Electronics,Power semiconductor device,
...[+2]
Patent: 14
36
Shanghai University
Pinyin,Materials science,Computer science,
...[+2]
Patent: 13
37
Sichuan University
Monoclonal antibody,Cancer immunotherapy,Immunotherapy,
...[+2]
Patent: 13
38
Jiangsu Shangda Electronics Co., Ltd.
Patent: 13
39
Jiangsu University
Doctoral research,Pinyin,Materials science,
...[+2]
Patent: 13
40
Institute of Semiconductors of Chinese Academy of Sciences
Power semiconductor device,Semiconductor,High-electron-mobility transistor,
...[+2]
Patent: 12
41
Institute of Metal Research Chinese Academy of Sciences
Patent: 12
42
Victory Giant Technology (HuiZhou) Co., Ltd.
Printed electronics,Human Development Index,Product design,
...[+2]
Patent: 12
43
Guangdong University of Technology
Pinyin,Computer science,Materials science,
...[+2]
Patent: 12
44
Hefei Xinsheng Optoelectronics Technology Co. Ltd.
Patent: 12
45
Jilin University
Pinyin,Coronavirus,Jurisdiction,
...[+2]
Patent: 11
46
Semiconductor Manufacturing Electronics (Shaoxing) Corp.
Semiconductor,Electronics,Electronic product
Patent: 11
47
Hangzhou Dianzi University
Pinyin,High-electron-mobility transistor,Public university,
...[+2]
Patent: 11
48
Shaanxi University of Science & Technology
Materials science,Composite material,Chemistry,
...[+2]
Patent: 10
49
Xiamen University
BCG vaccine,HIV vaccine,Conjugate vaccine,
...[+2]
Patent: 10
50
Zing Semiconductor Corp.
Patent: 9
51
Xiangtan University
Pinyin,Chemistry,Materials science,
...[+2]
Patent: 9
52
Digital Printed Circuit Board Co. Ltd.
Semiconductor,Printed circuit board,Electronics,
...[+1]
Patent: 9
53
East China Normal University
Chemistry,Computer science,Mathematics,
...[+2]
Patent: 9
54
Kunming University of Science & Technology
Materials science,Metallurgy,Chemistry,
...[+2]
Patent: 9
55
Beijing University of Technology
International standard,MicroLED,Vocational education,
...[+2]
Patent: 9
56
Hefei University of Technology
Management science,Pinyin,Computer science,
...[+2]
Patent: 9
57
University of Science & Technology of China
Chemistry,Materials science,Computer science,
...[+2]
Patent: 9
58
Jiangnan University
Pinyin,Chemistry,Biochemistry,
...[+2]
Patent: 8
59
Fuzhou University
Pinyin,MicroLED,Solid-state battery,
...[+2]
Patent: 8
60
Central South University
Metallurgy,Solid-state battery,Lithium-ion battery,
...[+2]
Patent: 8
61
Wuhan University
Knowledge management,Computer science,Chemistry,
...[+2]
Patent: 8
62
Changzhou Shichuang Energy Co., Ltd.
Patent: 8
63
Yancheng Weixin Electronics Co., Ltd.
Patent: 8
64
Northwestern Polytechnical University
Pinyin,Materials science,Composite material,
...[+2]
Patent: 8
65
Southern University of Science & Technology
Patent: 8
66
Peking University
Transliteration,Knowledge management,Monoclonal antibody,
...[+2]
Patent: 8
67
China Petroleum & Chemical Corp.
Petrochemical,Petroleum,Enterprise software,
...[+2]
Patent: 8
68
Huaian Imaging Device Manufacturer Corp.
Semiconductor,Image sensor,CMOS,
...[+2]
Patent: 8
69
Sae Technologies Development Dongguan Co. Ltd.
Patent: 8
70
Beijing Institute of Technology
Pinyin,Public university,Computer science,
...[+2]
Patent: 8
71
InfoVision Optoelectronics (Kunshan) Co., Ltd.
Liquid-crystal display,Electronics,Computer hardware,
...[+2]
Patent: 8
72
Changchun Institute of Optics Fine Mechanics & Physics
Patent: 8
73
Kunshan Dongwei Technology Co., Ltd.
Industrial engineering
Patent: 7
74
Southeast University
Mechanical engineering,Molecular beam epitaxy,Retinitis,
...[+2]
Patent: 7
75
Shenzhen Xunjiexing Technology Corp., Ltd.
Semiconductor,Electronics,Test board,
...[+2]
Patent: 7
76
Chengdu BOE Optoelectronics Technology Co., Ltd.
Patent: 7
77
Nexchip Semiconductor Corp.
Semiconductor,Electronic component
Patent: 7
78
SJ Semiconductor (Jiangyin) Corp.
Semiconductor,Computer hardware,Electronics,
...[+1]
Patent: 7
79
Changzhou University
Patent: 7
80
Shanghai Jiao Tong University
CONTEST,Biological membrane,Biofabrication,
...[+2]
Patent: 7
81
Shenzhen University
Drug marketing,Square kilometer,Land area,
...[+2]
Patent: 7
82
South China Normal University
Literature,Chemistry,Mathematics,
...[+2]
Patent: 7
83
Zhejiang University of Technology
Pinyin,Mainland China,Chemistry,
...[+2]
Patent: 7
84
Soochow University
Academic Training,Educational institution,Graduate degree,
...[+2]
Patent: 7
85
Nanjing Forestry University
Pinyin,Forestry,Chemistry,
...[+2]
Patent: 7
86
Suzhou Boyang Chemical Co., Ltd.
Chemical engineering
Patent: 6
87
PNC Process Systems Co., Ltd.
Process systems,Electronics,Semiconductor,
...[+1]
Patent: 6
88
Delton Technology (Guangzhou) Inc.
Semiconductor,Printed circuit board,Electronics,
...[+1]
Patent: 6
89
Suzhou Institute of Nano-Tech & Nano-Bionics (SINANO)
Public health
Patent: 6
90
Guilin University of Technology
Literature,Agriculture,Materials science,
...[+2]
Patent: 6
91
Chuzhou HKC Optoelectronics Technology Co., Ltd.
Integrated circuit,Capacitor,Microprocessor,
...[+2]
Patent: 6
92
CSI Solar Power (China), Inc.
Semiconductor,Solar power,Electronic component
Patent: 6
93
North University of China
Pinyin,Materials science,Chemistry,
...[+2]
Patent: 6
94
Qingdao University of Science & Technology
Pinyin,Chemical industry,Chemistry,
...[+2]
Patent: 6
95
Jiangmen Suntak Circuit Technology Co. Ltd.
Semiconductor,Electronics,Electronic component
Patent: 6
96
Chongqing University
Built environment,Pinyin,Materials science,
...[+2]
Patent: 6
97
Jetion Solar Holdings Ltd.
Semiconductor,Sunlight,Solar cell,
...[+2]
Patent: 6
98
Fujian Jinhua Integrated Circuit Co., Ltd.
Semiconductor,Tariff
Patent: 5
99
Beihang University
Aerospace,Astronautics,Computer science,
...[+2]
Patent: 5
100
CSI Cells Co., Ltd.
Electronics,Computer hardware,Semiconductor,
...[+1]
Patent: 5
Page generation time: Jul 26 2025