Hiroshi Sugii

Title: Innovations by Hiroshi Sugii in Soldering Technology

Introduction

Hiroshi Sugii is a notable inventor based in Tochigi, Japan. He has made significant contributions to the field of soldering technology, holding a total of four patents. His work primarily focuses on the development of advanced flux and solder paste formulations.

Latest Patents

Hiroshi Sugii's latest patents include innovative formulations for flux and solder paste. One of his patents describes a flux containing 1 to 10 wt % of an organic sulfonic acid activator, 10 to 40 wt % of a high-molecular-weight nonionic surfactant, and 5 to 75 wt % of a low-molecular-weight nonionic surfactant. This formulation ensures that the content of the low-molecular-weight nonionic surfactant is equal to or larger than that of the organic sulfonic acid activator. Importantly, this flux contains no cationic surfactant or has a minimal amount of 5 wt % or less. Additionally, he has developed a solder paste that incorporates this flux along with a Sn-based solder metal. Another patent features a flux comprising an organic acid, a solvent, and polyoxyethylene behenyl alcohol with an average number of moles of ethylene oxide added ranging from 7 to 40 mol.

Career Highlights

Hiroshi Sugii is currently associated with Senju Metal Industry Co., Ltd., where he continues to innovate in the field of soldering materials. His expertise and dedication have led to advancements that enhance the performance and reliability of soldering processes.

Collaborations

Throughout his career, Hiroshi has collaborated with esteemed colleagues such as Yasuhiro Kajikawa and Hiroyoshi Kawasaki. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies.

Conclusion

Hiroshi Sugii's contributions to soldering technology through his innovative patents have significantly impacted the industry. His work continues to inspire advancements in materials used for soldering applications.