Koji Kato

Title: Koji Kato: Innovator in Lithium Tantalate Technologies

Introduction

Koji Kato is a prominent inventor based in Gunma, Japan, known for his significant contributions to the field of materials science, particularly in the production of lithium tantalate substrates. With a total of 7 patents to his name, Kato has made strides in enhancing the properties and production methods of these critical materials.

Latest Patents

Kato's latest patents include a method for producing lithium tantalate single crystal substrates. This innovative method addresses the challenge of increasing volume resistivity during heat treatment, ensuring the substrate maintains its integrity even when using recycled lithium carbonate powder. The process involves heat-treating the substrate under specific conditions to achieve a desired volume resistivity. Another notable patent is for a method of producing composite wafers. This method aims to reduce spurious signals caused by reflections at the interface between a lithium tantalate film and its supporting substrate, enhancing the performance of devices utilizing these materials.

Career Highlights

Koji Kato is currently employed at Shin-Etsu Chemical Co., Ltd., a leading company in the chemical industry. His work at Shin-Etsu has allowed him to collaborate with other talented professionals in the field, further advancing the development of innovative materials.

Collaborations

Kato has worked alongside notable colleagues such as Masayuki Tanno and Shoji Akiyama. Their combined expertise has contributed to the successful development of new technologies and methods in the production of lithium tantalate materials.

Conclusion

Koji Kato's contributions to the field of materials science, particularly through his patents and work at Shin-Etsu Chemical Co., Ltd., highlight his role as a key innovator in lithium tantalate technologies. His ongoing research and development efforts continue to push the boundaries of what is possible in this important area of study.