Toshitaka Tatsunari

Title: Toshitaka Tatsunari: Innovator in Ferroelectric Technology

Introduction

Toshitaka Tatsunari is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of ferroelectric technology, holding a total of 3 patents. His work focuses on methods for fabricating ferroelectric capacitive elements and films, which are crucial for various electronic applications.

Latest Patents

Tatsunari's latest patents include a method for fabricating a ferroelectric capacitive element. This method involves several steps, such as forming a lower electrode made of a first conductive film on a substrate, followed by the formation of a first and second ferroelectric film that includes bismuth in varying concentrations. The process also includes annealing and the formation of an upper electrode. Another notable patent is a method for forming a ferroelectric film of insulating metal oxide on an electrode surface. This method utilizes multiple types of source gases containing organometallic compounds, allowing for a chemical reaction that results in the deposition of the ferroelectric film.

Career Highlights

Toshitaka Tatsunari is associated with Matsushita Electric Industrial Co., Ltd., a company known for its innovative electronic products. His work has significantly advanced the understanding and application of ferroelectric materials in electronics.

Collaborations

Tatsunari collaborates with Shinichiro Hayashi, contributing to the development of advanced technologies in their field.

Conclusion

Toshitaka Tatsunari's innovative work in ferroelectric technology has led to important advancements in electronic materials. His patents reflect a deep understanding of the complexities involved in fabricating ferroelectric elements and films.