Tetsu Umeda

Title: Tetsu Umeda: Innovator in Automotive Catalysts and Phosphors

Introduction

Tetsu Umeda is a prominent inventor based in Ushiku, Japan. He has made significant contributions to the fields of automotive catalysts and phosphors, holding a total of eight patents. His innovative work has advanced the technology used in various applications, particularly in enhancing light emission and improving catalyst efficiency.

Latest Patents

Among his latest patents, Umeda has developed an alumina and a method for producing automotive catalysts using the same. This alumina features a multimodal particle size distribution, with at least one particle size being less than 10 micrometers. Additionally, it comprises 1 to 5 wt % of at least one of lanthanum (La) and barium (Ba). Another notable patent involves phosphors that exhibit high light emission luminescence. These phosphors are designed to achieve higher emission luminance, with the activator included in a specific compound formula. Furthermore, he has patented phosphors represented by a formula that maintains the same crystal structure as bredigite.

Career Highlights

Umeda has had a distinguished career, working with reputable organizations such as Sumitomo Chemical Company, Limited and Niigata University. His experience in these institutions has allowed him to collaborate with other experts in the field and contribute to groundbreaking research and development.

Collaborations

Throughout his career, Umeda has worked alongside notable colleagues, including Masahide Mohri and Hironobu Koike. Their collaborative efforts have furthered advancements in their respective fields and have led to the successful development of innovative technologies.

Conclusion

Tetsu Umeda's contributions to the fields of automotive catalysts and phosphors highlight his role as a leading inventor. His patents reflect a commitment to innovation and excellence in technology. Umeda's work continues to influence advancements in these critical areas.