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Top 50 Fast-growings companies in Etching
by Most Patent Filing In 5 Years in the Japan in 2022

The Etching top 50 is Discovery PatSnap’ annual ranking of the top 50 Most Patent Filing In 5 Years Etching Fast-growings in the Japan. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2022, 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.
#
Company Name
Region
Tech Topics
Total
1
Tokyo Electron Ltd.
Semiconductor,Power transmission,Flat panel display,
...[+2]
Patent: 336
2
Nissan Chemical Corp.
Pesticide,Meiji period,Fertilizer,
...[+2]
Patent: 53
3
SCREEN Holdings Co., Ltd.
Semiconductor,Wafer fabrication,Flat panel display,
...[+2]
Patent: 46
4
HOYA Corp.
Computer hardware,Software,Intraocular lens,
...[+2]
Patent: 37
5
Semiconductor Energy Laboratory Co., Ltd.
Semiconductor,Transistor,Semiconductor device,
...[+2]
Patent: 36
6
DISCO Corp.
Semiconductor,Manufacturing engineering,Industrial engineering,
...[+2]
Patent: 23
7
Sumitomo Chemical Co., Ltd.
Petrochemical,Agriculture,Pesticide,
...[+2]
Patent: 20
8
Sciocs Co. Ltd.
Semiconductor,Compound semiconductor,Wafer,
...[+2]
Patent: 18
9
Shin-Etsu Handotai Co., Ltd.
Semiconductor,Ingot,Wafer,
...[+2]
Patent: 17
10
ULVAC, Inc.
Semiconductor,Vacuum pump,Sputtering,
...[+2]
Patent: 15
11
Sumitomo Electric
Optical fiber,Electronics,Optical fiber cable
Patent: 13
12
Sumitomo Electric Industries Ltd.
Electronics,Optical fiber,Optical fiber cable,
...[+2]
Patent: 13
13
Showa Denko K.K.
Graphite,Materials science,Nanomaterials,
...[+2]
Patent: 12
14
TOSHIBA Corp.
Semiconductor,Computer hardware,Electronics,
...[+2]
Patent: 12
15
SUMCO Corp.
Semiconductor,Wafer,Silicon,
...[+2]
Patent: 12
16
Mec Co., Ltd.
Chemical engineering,Hydrofluoric acid,Hydrochloric acid,
...[+2]
Patent: 11
17
AGC
Fluorine,Glazing,Chemical engineering,
...[+2]
Patent: 11
18
KIOXIA Corp.
Computer hardware,Solid-state,Flash memory,
...[+2]
Patent: 11
19
Asahi Fiber Glass Co., Ltd.
Glass wool,Thermal insulation,Fiber,
...[+2]
Patent: 11
20
Panasonic Intellectual Property Management Co. Ltd.
Patent: 10
21
JX Nippon Mining & Metals Corp.
Non-ferrous metal,Cathode material,Mining engineering,
...[+2]
Patent: 10
22
Hitachi High-Tech Science Corp.
Computer hardware,Electronics,Nanometrology,
...[+2]
Patent: 10
23
Fuji Electric FA Components & SYstems Co., Ltd.
Semiconductor,Industrial engineering,Smart grid,
...[+2]
Patent: 10
24
Fuji Electronics Co., Ltd.
Semiconductor,Microcomputer,Electronic component,
...[+2]
Patent: 10
25
Renesas Electronics Corp.
Semiconductor,Microcontroller,Electronics,
...[+2]
Patent: 9
26
Kanto Denka Kogyo Co., Ltd.
Carbon monoxide,Electrolytic process,Petroleum industry,
...[+2]
Patent: 8
27
Hamamatsu Photonics KK
Semiconductor,Photonics,Laser,
...[+2]
Patent: 8
28
Murata Manufacturing Co. Ltd.
Semiconductor,Electronics,Electronic component,
...[+2]
Patent: 8
29
Canon, Inc.
Computer hardware,Software,Computer vision,
...[+2]
Patent: 8
30
Honda Motor Co., Ltd.
Automotive engineering,Manufacturing engineering,Sport utility vehicle,
...[+2]
Patent: 8
31
Mitsui Mining & Smelting Co., Ltd.
Precious metal,Metal,Cathode material,
...[+2]
Patent: 8
32
Mitsubishi Gas Chemical Co., Inc.
Petroleum industry,Petrochemical,Engineering plastic,
...[+2]
Patent: 8
33
Tokuyama Corp.
Cement,Chemical engineering,Fumed silica,
...[+2]
Patent: 7
34
DIC Corporation
Pigment,Polymer,Epoxy,
...[+2]
Patent: 6
35
TOKYO OHKA KOGYO CO., LTD.
Photoresist,Semiconductor,Petrochemical,
...[+2]
Patent: 6
36
Air Water, Inc.
Industrial gas,Enterprise software,Nitrogen,
...[+2]
Patent: 6
37
Kaneka Corp.
Synthetic rubber,Chemical engineering,Polyvinyl chloride,
...[+2]
Patent: 6
38
JSR Corp.
Synthetic rubber,Natural rubber,Elastomer,
...[+2]
Patent: 6
39
Toyota Motor Corp.
Sport utility vehicle,Mobile device,Public transport,
...[+2]
Patent: 6
40
DIC Corp.
Pigment,Chemical engineering,Synthetic resin,
...[+2]
Patent: 6
41
Shibaura Mechatronics Corp.
Semiconductor,Robotic lawn mower,Mechatronics,
...[+2]
Patent: 6
42
Seiko Epson Corp.
Wearable technology,Projector,Electronics,
...[+2]
Patent: 6
43
Fujimi, Inc.
Abrasive,Industrial engineering,Diamond,
...[+2]
Patent: 5
44
Nihon Denso KK
Manufacturing engineering,Mechanical engineering
Patent: 5
45
Central Glass Co., Ltd.
Glazing,Fine chemical,Chemical engineering,
...[+2]
Patent: 5
46
Sumitomo Electric Device Innovations, Inc.
Gallium arsenide,Power semiconductor device,Semiconductor
Patent: 5
47
Hitachi Metals, Ltd.
Metal,Magnet,Telecommunications,
...[+2]
Patent: 5
48
Toppan, Inc.
Publishing,Semiconductor,Electronics,
...[+2]
Patent: 5
49
Tohoku University
Science and engineering,Knowledge management,Aseptic processing,
...[+2]
Patent: 5
50
Kanto Chemical Co., Inc.
Reagent,Chemical engineering,Electronics,
...[+2]
Patent: 5
Page generation time: Jul 26 2025