Company Filing History:
Years Active: 1977-1978
Title: **The Innovations of Sadayoshi Iwanari: Pioneering Thermal Fuse Technology**
Introduction
Sadayoshi Iwanari, an inventive mind based in Kusatsu, Japan, has made significant contributions to thermal fuse technology. With two patented inventions under his name, Iwanari is recognized for his ability to combine intricate engineering with practical applications, enhancing safety in electrical systems.
Latest Patents
Iwanari's latest patents focus on innovative thermal fuses. The first patent describes a thermal fuse that employs a slidable resilient contact member. This design features an electrically and thermally conductive housing that hermetically seals switch parts of a fusible temperature-sensitive pellet, metallic plates, and compression springs. The unique contact member is shaped to create peripheral tongues which interface with the housing, ensuring a reliable contact force under varying conditions.
His second patent provides an advanced design for a thermal fuse featuring a fusible temperature-sensitive pellet. This invention includes a cylindrical pellet that may have one or several cavities to enhance functionality. The cavities occupy 5 to 50 percent of the pellet's cross-section, promoting rapid shrinkage and thermal conductivity, thereby ensuring timely fuse action when temperatures exceed safe limits.
Career Highlights
Iwanari is affiliated with New Nippon Electric Co., Ltd., a company that thrives on innovation and advanced technology. His work has set precedence in the design and safety of thermal fuses, addressing critical aspects of electrical safety in consumer products.
Collaborations
Throughout his career, Iwanari has worked alongside talented colleagues, including Osamu Umene and Yoshimasa Sakamoto. Together, they have fostered a collaborative environment that encourages inventive solutions and advancements in electrical components.
Conclusion
Sadayoshi Iwanari's contributions to the field of thermal fuses reflect his dedication to innovation and safety. His patents demonstrate a keen understanding of materials science and electrical engineering principles, ensuring that electrical systems operate safely and effectively. As technology continues to evolve, Iwanari's work serves as a foundation for future advancements in the industry.