Satoru Tsuboi

**Title: Satoru Tsuboi: Innovator in Ferrite Technology**

Introduction

Satoru Tsuboi, an accomplished inventor based in Okayama, Japan, has made significant contributions to the field of materials science, specifically in the development of ferrite powders used for bonded magnets. With a total of five patents to his name, his work has positioned him as a key player in the advancement of magnet production technology.

Latest Patents

Tsuboi's latest innovations focus on ferrite powders for bonded magnets. One of his notable patents describes a **ferrite powder for bonded magnets capable of producing a ferrite bonded magnet with high BH**, characterized by improved fluidity when converted to a compound. This specific powder showcases a high p-iHc value, which enhances its functionality in various applications. Key parameters of this powder include an average particle size of 5 μm or less, a specific surface area ranging from 1.90 m/g to 2.80 m/g, and a compression density between 3.50 g/cm³ and 3.78 g/cm³. Moreover, the compressed molding demonstrates a coercive force between 2300 Oe and 2800 Oe.

Another significant patent focuses on a **ferrite powder for bonded magnets with a high iHc value, suitable for low temperature environments**. This innovation includes a method for production and the resulting bonded magnet also displaying a high iHc value. The specific details highlight a specific surface area of 2.20 m/g to 3.20 m/g, a compression density of 3.30 g/cm³ to 3.60 g/cm³, with a compressed molding coercive force exceeding 3250 Oe and less than 3800 Oe.

Career Highlights

Throughout his career, Satoru Tsuboi has been associated with esteemed companies such as Dowa Electronics Materials Co., Ltd. and Dowa F-tec Co., Ltd. These engagements have allowed him to hone his expertise and apply his innovative ideas in practical settings, fostering advancements in magnet technologies.

Collaborations

Tsuboi has collaborated with notable coworkers, including Keisuke Ayabe and Yasunobu Mishima. Their joint efforts have contributed to the progress and development of cutting-edge technological solutions within the domain of ferrite materials.

Conclusion

Satoru Tsuboi stands out as a pioneering inventor whose work has significantly influenced the field of magnet production through his innovative ferrite powders. His contributions, encapsulated in multiple patents, reflect a commitment to enhancing the functionality and efficiency of bonded magnets, paving the way for future advancements in the industry.