Tadayuki Mitani

Title: Tadayuki Mitani: Innovator in Silicon Nitride Production

Introduction

Tadayuki Mitani is a notable inventor based in Ube, Japan. He has made significant contributions to the field of materials science, particularly in the production of crystalline silicon nitride powder. His innovative approach has led to advancements in the efficiency and scalability of this important material.

Latest Patents

Tadayuki Mitani holds a patent for a process for producing a crystalline silicon nitride powder. This process involves calcining a silane material that includes at least one nitrogen-containing silane compound in a nitrogen-containing inert gas mixed with 0.1 to 5% of molecular oxygen. The method allows for the production of a crystalline silicon nitride powder with a high specific surface area and enhanced sintering properties. The process is conducted at temperatures ranging from 600°C to 1200°C, followed by baking the resultant amorphous silicon nitride powder at 1400°C to 1700°C. Finally, the crystalline silicon nitride powder is milled in a mixed gas atmosphere containing 5 to 40% by volume of molecular oxygen.

Career Highlights

Tadayuki Mitani is associated with Ube Industries, Inc., where he has been instrumental in developing innovative materials. His work has not only contributed to the company's portfolio but has also advanced the field of materials science.

Collaborations

He has collaborated with notable coworkers, including Tetsuo Yamada and Takeshi Yamao, to further enhance the research and development efforts at Ube Industries.

Conclusion

Tadayuki Mitani's contributions to the production of crystalline silicon nitride powder exemplify the impact of innovative thinking in materials science. His work continues to influence advancements in this critical area of technology.