% Expired Patents = 33.3

Forward Citations = 273

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4 inventors (with patents filed for the assignee):

Masahisa Masuda (6 out of 6 patents)

Yasuhiro Kume (2 out of 4 patents)

Gontaro Kitazumi (1 out of 3 patents)

4. Donald R White (1 out of 3 patents)

6 patents: Sort by Forward Citations

1. 8315379 - Single transducer full duplex talking circuit (2012-11-20),

2. 7881483 - Two-way communications device having a single transducer (2011-02-01),

3. 7826805 - Automatic-switching wireless communication device (2010-11-02),

4. 7072476 - Audio headset (2006-07-04),

5. D458245 - Headset with loopback band (2002-06-05),

6. D458244 - Headset with loopdown band (2002-06-05),

Company Overview

Matech, Inc. is a leading provider of innovative solutions for the aerospace and defense industries. With a focus on advanced materials and composites, we offer a wide range of services including design, testing, and manufacturing. Our team of expert engineers and technicians works closely with clients to deliver customized solutions that meet their specific needs and requirements. From prototype development to full-scale production, Matech, Inc. has the capabilities and expertise to deliver high-quality products on time and within budget.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

6 Patents

#14 in Lake Oswego, OR

#496 in Oregon

#44,949 in US

Lake Oswego, OR, United States of America

Matech, Inc.

Forward Citations = 273

4 inventors:

Masahisa Masuda (6 out of 6 patents)

Yasuhiro Kume (2 out of 4 patents)

Gontaro Kitazumi (1 out of 3 patents)

4. Donald R White (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Matech, Inc.. Retrieved from https://idiyas.com/company/matech

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]