Nagahama, Japan

Masakazu Teramura

This inventor holds 1 USPTO granted patent. Top assignees: Biwalite Co., Ltd., Shiga Valve Cooperative. Active years: 2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masakazu Teramura. Retrieved from https://idiyas.com/inventor/masakazu-teramura

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 2013

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1 patent (USPTO):Explore Patents

Title: Masakazu Teramura: Innovator in Lead-Free Copper Alloys

Introduction

Masakazu Teramura is a notable inventor based in Nagahama, Japan. He has made significant contributions to the field of materials science, particularly in the development of lead-free copper alloys. His innovative work addresses both environmental concerns and the need for high-performance materials.

Latest Patents

Teramura holds a patent for a lead-free copper alloy for casting, which boasts excellent mechanical properties. This alloy contains 0.1-0.7% of sulfur, 8% or less of tin, and 6% or less of zinc. The unique composition allows for a dispersed sulfide with an average spheroidization ratio of 0.7 or greater. As a result, this lead-free copper alloy exhibits remarkable strength, high pressure resistance, and good machinability. It serves as an ideal starting material for faucet metal fittings and water faucets, effectively eliminating the risks associated with lead contamination.

Career Highlights

Throughout his career, Teramura has worked with various companies, including Shiga Valve Cooperative and Biwalite Co., Ltd. His experience in these organizations has contributed to his expertise in developing innovative materials that meet industry standards.

Collaborations

Some of his notable coworkers include Takeshi Kobayashi and Toru Maruyama. Their collaborative efforts have further advanced the research and development of lead-free materials.

Conclusion

Masakazu Teramura's contributions to the field of lead-free copper alloys highlight his commitment to innovation and environmental sustainability. His patented work not only enhances mechanical properties but also promotes safer alternatives in manufacturing.

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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