Yukihiro Katoh

Title: Innovations by Yukihiro Katoh in Transparent Conductive Films

Introduction

Yukihiro Katoh, an esteemed inventor based in Mie, Japan, has made significant contributions to the field of transparent conductive films. With a total of three patents to his name, his innovative approaches have influenced various applications, particularly in the manufacturing of advanced substrates.

Latest Patents

Among his latest patents is the development of an ITO film-formed substrate. This substrate boasts excellent alkali resistance and adhesion, achieved through a carefully structured layering process on a glass substrate. The construction involves a color filter, an organic protective film, intermediate layers, and an ITO film featuring a patterned electrode, all arranged meticulously from the bottom upwards. The intermediate layer is deposited using a high-frequency sputtering method with argon, composed of a metal oxide resistant to alkalis. Another noteworthy patent focuses on a method for manufacturing a substrate with a transparent conductive film. This method employs sputtering on a transparent insulating substrate with an indium oxide/tin oxide target, utilizing a mixed gas of argon and oxygen. The careful adjustment of the oxygen to argon ratio optimizes the carrier density and mobility, achieving a minimum surface resistance for the conductive film.

Career Highlights

Yukihiro Katoh is currently associated with Nippon Sheet Glass Company, Limited, where he continues his innovative work in the field of transparent conductive technologies. His extensive experience in material science has allowed him to contribute significantly to advancements in film technology.

Collaborations

Throughout his career, Katoh has collaborated with notable coworkers, including Shogo Kiyota and Hideo Kawahara. Their collective expertise has fostered an environment of creativity and innovation, further enhancing the research and development efforts at their company.

Conclusion

Yukihiro Katoh's contributions to the field of transparent conductive films exemplify the innovative spirit of the modern inventor. His patents, which focus on enhancing substrate properties and manufacturing methods, are pivotal in advancing technology in various applications. As he continues to work at Nippon Sheet Glass Company, Limited, his impact on the industry remains profound.