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For the Inventor, By the Inventor

Singapore, Singapore

Knowles Electronics Asia Pte. Ltd.

Calculating rank
USPTO Granted Patents = 10

% Expired Patents = 60.0


Forward Citations = 100

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9 inventors (with patents filed for the assignee):

goldMedal Josef Lutz (6 out of 16 patents)

silverMedal Susanne Windischberger (3 out of 7 patents)

bronzeMedal Ewald Frasl (3 out of 21 patents)

4.  Maria Papakyriacou (1 out of 8 patents)

5.  Markus Steinhauser (1 out of 3 patents)

6.  Thomas Jagsich (1 out of 3 patents)

7.  Stefan Amon (1 out of 1 patent)

8.  Stefan Leitner (1 out of 1 patent)

9.  Benjamin Reinecke (1 out of 2 patents)

10.  Johannes Kobler (6 patents)

11.  Jürgen Sauer (4 patents)

12.  Geert Langereis (10 patents)

13.  Heinz Renner (6 patents)

14.  Maria Papakyriacou (0 patent)

15.  Erich Klein (0 patent)


10 patents:

1. 9099073 - Packaging of acoustic volume increasing materials for loudspeaker devices (2015-08-04),
2. 8628830 - Method of and device for modifying the properties of a membrane for an electroacoustic transducer (2014-01-14),
3. 8594348 - Asymmetrical moving systems for a piezoelectric speaker and asymmetrical speaker (2013-11-26),
4. 8526665 - Electro-acoustic transducer comprising a MEMS sensor (2013-09-03),
5. 8482524 - Input device for an electronic device (2013-07-09),
6. 8437496 - Membrane for an acoustic device and acoustic device (2013-05-07),
7. 8396227 - Method of determining the harmonic and anharmonic portions of a response signal of a device (2013-03-12),
8. 8284964 - Compound membrane, method of manufacturing the same, and acoustic device (2012-10-09),
9. 8233646 - Acoustic device and method of manufacturing same (2012-07-31),
10. 8072010 - Membrane for a MEMS condenser microphone (2011-12-06),
Company Overview
Knowles Electronics Asia Pte. Ltd. is a leading provider of advanced micro-acoustic microphones and balanced armature speakers, specializing in audio solutions for consumer electronics. The company focuses on developing innovative technologies that enhance sound quality and user experience in various applications, including smartphones, wearables, and smart home devices. Based in Singapore, Knowles leverages its expertise in acoustics and MEMS technology to deliver high-performance audio components that meet the evolving demands of the global market.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

10 Patents

#209 in Singapore

#209 in Singapore

#56,119 in the World

Singapore, SG
Singapore, Singapore

Knowles Electronics Asia Pte. Ltd.

Forward Citations = 100

9 inventors:

goldMedal Josef Lutz (6 out of 16 patents)

silverMedal Susanne Windischberger (3 out of 7 patents)

bronzeMedal Ewald Frasl (3 out of 21 patents)

4.  Maria Papakyriacou (1 out of 8 patents)

5.  Markus Steinhauser (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Knowles Electronics Asia Pte. Ltd.. Retrieved from https://idiyas.com/company/knowles-electronics-asia

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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