This inventor holds 1 USPTO granted patent. Top assignees: Biwalite Co., Ltd., Shiga Valve Cooperative. Active years: 2013.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 1 
1 out of 1 Years Active: 2013
Title: Hiroyuki Abe and Lead-Free Copper Alloy Innovation.
Introduction
Hiroyuki Abe is an inventor associated with Nagahama, Japan. His work includes a lead-free copper alloy designed for casting applications, offering an alternative to materials containing lead, which can contribute to water contamination.
Latest Patents
Abe is credited with 1 patent, titled “Lead-Free Copper Alloy for Casting with Excellent Mechanical Properties.” The invention describes a copper alloy containing 0.1–0.7% sulfur, up to 8% tin, and up to 6% zinc, with sulfide dispersed throughout the material and an average spheroidization ratio of at least 0.7. The alloy is designed to provide strength, resistance to high pressure, and good machinability. Its potential uses include faucet fittings and water faucets, while avoiding lead.
Career Highlights
Abe’s listed company affiliations include Biwalite Co., Ltd. and Shiga Valve Cooperative. His patent reflects an application of materials engineering to casting products used in water systems.
Collaborations
Abe’s listed coworkers include Ryozo Matsubayashi and Takeshi Kobayashi.
Conclusion
Hiroyuki Abe’s patented lead-free copper alloy combines casting performance and machinability with a composition intended for faucet and water-system components.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile