Hirotoshi Umeda

Title: Hirotoshi Umeda: Innovator in Antimony-Doped Tin Oxide Powder

Introduction

Hirotoshi Umeda is a notable inventor based in Akita, Japan. He has made significant contributions to the field of materials science, particularly with his innovative work on antimony-doped tin oxide powder. His research has implications for various applications, including electronics and coatings.

Latest Patents

Umeda holds a patent for an antimony-doped tin oxide powder and the method of producing the same. This unique powder is characterized by several features: it includes at least three kinds of ions selected from the group consisting of Sn, Sn, Sb, and Sb. Additionally, it has a specific ratio of average Sn ionic radius to average Sb ionic radius of 1:(0.96 to 1.04). The Sb content ranges from 5 to 25 moles relative to a total of 100 moles of Sb and Sn. The average Sn ionic radius is calculated from the ionic radii of Sn and Sn, while the average Sb ionic radius is derived from the ionic radii of Sb and Sb. Umeda's patent represents a significant advancement in the production of this specialized powder.

Career Highlights

Throughout his career, Umeda has worked with prominent companies, including Mitsubishi Materials Corporation and Mitsubishi Materials Electronic Chemicals Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in materials science.

Collaborations

Umeda has collaborated with notable colleagues such as Suzuo Sasaki and Shinya Shiraishi. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Hirotoshi Umeda is a distinguished inventor whose work on antimony-doped tin oxide powder has made a significant impact in the field of materials science. His innovative approach and collaborations have paved the way for advancements in various applications.