Tomonori Umezaki

Title: Innovations of Tomonori Umezaki

Introduction

Tomonori Umezaki is a prominent inventor based in Ube, Japan. He has made significant contributions to the field of materials science, particularly in the development of single-crystal silicon carbide technologies. With a total of 11 patents to his name, Umezaki's work has had a substantial impact on various industries.

Latest Patents

Umezaki's latest patents include innovations such as a single-crystal silicon carbide wafer and a single-crystal silicon carbide ingot. One of his notable inventions is a single-crystal silicon carbide wafer that includes boron at a concentration of 1.0×10 atoms/cm³ or less. This wafer features a central region with a basal plane dislocation density of 100/cm² or less on the surface. The central region occupies an area that is one fourth or more of the total surface area of the wafer. Another significant patent involves a method for producing single-crystal silicon carbide, which also emphasizes the importance of maintaining a low misorientation in the crystal plane.

Career Highlights

Throughout his career, Umezaki has worked with several notable companies, including Central Glass Company, Limited and Screen Holdings Co., Ltd. His experience in these organizations has allowed him to refine his expertise in silicon carbide technologies and contribute to advancements in the field.

Collaborations

Umezaki has collaborated with esteemed colleagues such as Isamu Mori and Akiou Kikuchi. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Tomonori Umezaki's contributions to the field of materials science, particularly through his patents on single-crystal silicon carbide, highlight his role as a leading inventor. His work continues to influence advancements in technology and materials engineering.