Kokubu, Japan

Masafumi Matsunaka

This inventor holds 2 USPTO granted patents. Top assignee: Kyocera Corporation. Active years: 1990-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masafumi Matsunaka. Retrieved from https://idiyas.com/inventor/masafumi-matsunaka

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


% Patents Active = 100.0

Average Co-Inventor Count = 8.0

ph-index = 2

Forward Citations = 22(Granted Patents)


Company Filing History:


Years Active: 1990-1993

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2 patents (USPTO):Explore Patents

Title: Masafumi Matsunaka: Innovator in Silicon Nitride Technology

Introduction

Masafumi Matsunaka is a notable inventor based in Kokubu, Japan. He has made significant contributions to the field of materials science, particularly in the development of silicon nitride sintered bodies. With a total of 2 patents to his name, Matsunaka continues to push the boundaries of innovation in his field.

Latest Patents

Matsunaka's latest patents focus on the formulation and preparation of silicon nitride sintered bodies. One of his key inventions is a silicon nitride sintered body that comprises 85 to 99 mole % of β-Si₃N₄, along with 1 to 5 mole % of the oxide (M₂O₃) from selected elements such as Sc, Vb, Er, Ho, and Dy. This invention also specifies that the excessive oxygen (O₂) content should be less than 10 mole % based on the three components, with a molar ratio of excessive oxygen to M₂O₃ being lower than 2. This innovative approach enhances the properties of silicon nitride materials, making them more effective for various applications.

Career Highlights

Matsunaka is currently employed at Kyocera Corporation, a leading company in advanced ceramics and electronic components. His work at Kyocera has allowed him to focus on cutting-edge research and development in materials science. His contributions have been instrumental in advancing the company's technological capabilities.

Collaborations

Matsunaka has collaborated with several talented individuals in his field, including Makoto Yoshida and Masahiro Sato. These collaborations have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Masafumi Matsunaka is a distinguished inventor whose work in silicon nitride technology has made a significant impact in materials science. His patents reflect a commitment to innovation and excellence in his field.

Profile summary based on public USPTO records.
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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