This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignees: Murata Manufacturing Co., Ltd., Senju Metal Industry Co., Ltd.. Active years: 2012.
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 13,796 
1 out of 338 Years Active: 2012
Title: The Innovations of Masafumi Seino: A Leader in Lead-Free Solder Technology
Introduction: Masafumi Seino, an innovative inventor based in Kanazawa, Japan, is notable for his significant contribution to the field of solder technology. With a strong focus on developing environmentally friendly alternatives, Seino has secured a patent that showcases his expertise in creating lead-free solder paste. This invention is particularly relevant in today's electronics industry, where the need for sustainable materials is ever-increasing.
Latest Patents: Seino holds a patent for a lead-free solder paste and its use, which features a unique composition that includes a solder alloy powder and a specialized flux. The patented solder paste is designed to have a volumetric expansion of no more than 0.5% during melting, making it an ideal solution for applications requiring high-temperature solders. The flux comprises a bisphenol A epoxy resin combined with a curing agent chosen from carboxylic anhydrides and dicarboxylic acids. The solder alloy itself features a composition consisting of 70-98% bismuth, with a minor proportion of other metals like silver, copper, and tin, all of which enhance its performance in soldering applications.
Career Highlights: Throughout his career, Masafumi Seino has worked with prominent companies, including Senju Metal Industry Co., Ltd. and Murata Manufacturing Co., Ltd. His experiences at these leading organizations have significantly shaped his approach to innovation in solder technology.
Collaborations: Seino has collaborated with notable individuals such as Shizuharu Watanabe and Hidekiyo Takaoka. These collaborations demonstrate his commitment to working alongside talented professionals to advance the field of electronics and materials science.
Conclusion: Masafumi Seino’s contributions to lead-free solder technology not only underscore his inventive spirit but also highlight the importance of sustainable practices in modern manufacturing. Through his patent and collaborations, Seino continues to influence the electronics industry with innovative solutions that prioritize both performance and environmental responsibility.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile