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Top 20 Key Players companies in Precision engineering
by Most Patent Filings in the world in 2021

The Precision engineering top 20 is Discovery PatSnap’ annual ranking of the top 20 Most Patent Filings Precision engineering Key Players in the world. 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.
Precision engineering is a subdiscipline of electrical engineering, software engineering, electronics engineering, mechanical engineering, and optical engineering concerned with designing machines, fixtures, and other structures that have exceptionally high tolerances, are repeatable, and are stable over time. These approaches have applications in machine tools, MEMS, NEMS, optoelectronics design, and many other fields.
#
Company Name
Region
Tech Topics
Total
1
Precision Engineering Co.
Ontario, Canada
Forging,Automotive systems,Stamping,
...[+2]
Patent: 9
2
Siemens AG
Power transmission,Electronics,Turbine,
...[+2]
Patent: 8
3
Siemens SA
Madrid, Spain
Scientific Control,Telecommunications,Turbine,
...[+1]
Patent: 8
4
China Academy of Launch Vehicle Technology
Aerospace,National security,Space launch,
...[+2]
Patent: 5
5
Clarient, Inc.
California, United States
Health care,Companion diagnostic,Standard of care,
...[+2]
Patent: 4
6
ETA SA Manufacture Horlogère Suisse
Solothurn, Switzerland
Zircon,Mercury (element),Sintering,
...[+2]
Patent: 4
7
Huls
Netherlands
Creative industries,Real estate development
Patent: 3
8
Degussa AG
Precious metal,Chemical engineering,Nutrition,
...[+2]
Patent: 2
9
Dr. Fritz Faulhaber GmbH & Co. KG
Electronics,Computer hardware,Electric motor,
...[+2]
Patent: 2
10
Jiahua Special Cement Co. Ltd.
Cement,Construction engineering,Materials science,
...[+2]
Patent: 2
11
Degussa-Hüls AG
Chemical engineering,Iron metal,Polymer
Patent: 2
12
Märzhäuser Wetzlar GmbH u. Co. KG
Micromanipulator,Microscopy,Computer hardware,
...[+2]
Patent: 2
13
Helmut Hund GmbH
Electronic product,Microscopy,Computer hardware,
...[+2]
Patent: 2
14
Kaltenbach & Voigt GmbH
Medical equipment,Dental Equipment,Health care,
...[+2]
Patent: 2
15
AEG Olympia AG
Patent: 2
16
Diesel Kiki Co. Ltd.
Japan
Automotive engineering
Patent: 2
17
BASF SE
Agriculture,Petrochemical,Chemical engineering,
...[+2]
Patent: 1
18
Bayer AG
Health care,Biology,Chemical engineering,
...[+2]
Patent: 1
19
Koninklijke Philips NV
Noord-Holland, Netherlands
Health care,Wellness Programs,Medical imaging,
...[+2]
Patent: 1
20
Aisin Corp.
Aichi, Japan
Brake,Automotive engineering,Navigation system,
...[+2]
Patent: 1
Page generation time: Aug 10 2025