Hisaki Yada

Title: Hisaki Yada: Innovator in Oxide Evaporation Materials

Introduction

Hisaki Yada is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of materials science, particularly in the development of oxide evaporation materials and their applications in transparent conducting films and solar cells. With a total of 3 patents, Yada's work has garnered attention for its innovative approaches and practical applications.

Latest Patents

Hisaki Yada's latest patents include advancements in oxide evaporation materials, transparent conducting films, and solar cells. One of his notable inventions is an oxide evaporation material that consists of a sintered body containing indium oxide as the main component and cerium, with a Ce/In atomic ratio ranging from 0.001 to 0.110. This material achieves an L* value in the CIE 1976 color space between 62 and 95. The oxide evaporation material is designed to form a transparent conducting film with low resistance and high transmittance in the visible to near-infrared region through vacuum deposition methods. The introduction of a minimal amount of oxygen gas into the film-formation vacuum chamber ensures consistency in composition and characteristics across large quantities of films.

Another significant patent involves an oxide tablet for vapor deposition, which is used to create vapor-deposited thin films and solar cells. This tablet comprises a sintered body containing indium oxide and cerium, without any surface grinding after sintering. The cerium content in the surface layer is carefully controlled to maintain optimal performance.

Career Highlights

Hisaki Yada is currently employed at Sumitomo Metal Mining Company, Ltd., where he continues to innovate in the field of materials science. His work has not only advanced the understanding of oxide materials but has also contributed to the development of more efficient solar technologies.

Collaborations

Yada has collaborated with notable colleagues, including Yoshiyuki Abe and Riichiro Wake, to further enhance the research and development of oxide materials and their applications.

Conclusion

Hisaki Yada's contributions to the field of oxide evaporation materials and their applications in transparent conducting films and solar cells highlight his innovative spirit and dedication to advancing technology. His work continues to influence the industry and pave the way for future advancements.