Tomoyuki Hoshino

Title: Tomoyuki Hoshino: Innovator in Black Pigment Technology

Introduction

Tomoyuki Hoshino is a notable inventor based in Tamano, Japan. He has made significant contributions to the field of materials science, particularly in the development of black pigments. His innovative work has led to the creation of a unique black pigment that combines high electrical resistance with an adequate degree of blackness.

Latest Patents

Hoshino holds a patent for "Cobalt-containing black pigment particulates." This patent discloses a granular black pigment that contains cobalt, characterized by its composition of an oxide that includes at least cobalt. The divalent cobalt content in this pigment accounts for 40-70% of the total cobalt content. The total cobalt content in the whole particle is preferably 60-80% by mass, while the divalent cobalt content is ideally 20-50% by mass. Additionally, the primary particle diameter ranges from 0.02 to 0.6 micrometers.

Career Highlights

Hoshino is associated with Mitsui Mining & Smelting Co., Ltd., where he has been instrumental in advancing pigment technology. His work has not only enhanced the quality of pigments but has also contributed to various applications in industries that require high-performance materials.

Collaborations

Hoshino has collaborated with notable colleagues, including Shoichi Fujiyasu and Takashi Nakashima. These collaborations have fostered a productive environment for innovation and have led to further advancements in their respective fields.

Conclusion

Tomoyuki Hoshino's contributions to the development of cobalt-containing black pigments exemplify the intersection of innovation and practical application in materials science. His work continues to influence the industry and pave the way for future advancements in pigment technology.