Tetsuhiko Tomiki

Title: Tetsuhiko Tomiki: Innovator in Phosphor Technology

Introduction

Tetsuhiko Tomiki is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of phosphor technology, particularly in the production of cerium-activated phosphors. With a total of 2 patents, his work has advanced the understanding and application of phosphors in various industries.

Latest Patents

Tomiki's latest patents include a method of producing cerium-activated phosphor with improved characteristics. This phosphor, fundamentally expressed as YA10.sub.3:Ce, is produced through baking a mixture of Y.sub.2 O.sub.3, Al.sub.2 O.sub.3, CeO.sub.2, and a controlled amount of barium compounds such as BaCO.sub.3, BaO, Ba(OH).sub.2, and BaF.sub.2. The inclusion of the barium compound enhances ultraviolet emission and suppresses the formation of blue-emitting Y.sub.3 Al.sub.5 O.sub.12:Ce. Additionally, he has developed a method for preparing cerium-activated yttriumaluminate phosphor, which features enhanced luminous intensity by adding a barium compound to a mixture of source materials and baking it at temperatures ranging from 1000°C to 1400°C.

Career Highlights

Tomiki is currently associated with Matsushita Electric Industrial Co., Ltd., where he continues to innovate in the field of phosphor technology. His work has been instrumental in developing new materials that improve the efficiency and effectiveness of phosphors used in various applications.

Collaborations

Throughout his career, Tomiki has collaborated with notable colleagues, including Takeshi Takeda and Takeo Miyata. These collaborations have contributed to the advancement of research and development in phosphor technology.

Conclusion

Tetsuhiko Tomiki's contributions to phosphor technology through his innovative patents and collaborations highlight his importance in the field. His work continues to influence advancements in materials science and technology.