Yasuhiko Kokufuda

Title: Inventor Yasuhiko Kokufuda: Pioneer in Information Recording Technology

Introduction

Yasuhiko Kokufuda, a prominent inventor based in Kyoto, Japan, has made significant contributions to the field of information recording technology. With a total of two patented inventions, Kokufuda has demonstrated his expertise and innovative spirit through his work at leading companies in the electronics sector.

Latest Patents

Kokufuda's latest patents cover advancements in substrates for information recording disks and the associated molds and stampers for injection molding. His innovative approach involves a cavity surface-forming plate that undergoes coarse polishing, followed by an electroless Ni-P plating application. The resulting surface is meticulously polished to achieve surface roughness of Ra ≤ 2.0 nm and Rmax ≤ 22 nm, providing exceptional smoothness equivalent to the polished plating surface. This technology enables the formation of concave-convex patterns on cavity surfaces, which is critical for developing high-density magnetic disks and optical disks compatible with near contact systems for magnetic or magneto-optical heads.

Career Highlights

Throughout his career, Yasuhiko Kokufuda has worked with esteemed companies, including Hitachi Maxell, Limited and Hitachi Maxwell, Ltd. These experiences have allowed him to apply his innovative concepts and drive advancements in the technology of information recording.

Collaborations

Kokufuda has collaborated with several talented individuals, including Hiroyuki Hirata and Tatsuo Araki. Working alongside such esteemed colleagues has further propelled his work in the field, facilitating the exchange of ideas and techniques that lead to groundbreaking developments.

Conclusion

Yasuhiko Kokufuda's commitment to innovation in information recording technology has positioned him as a noteworthy inventor in his field. His patented inventions not only reflect his ingenuity but also contribute significantly to advancements that enhance data storage capabilities in various applications. As technology continues to evolve, Kokufuda's work remains influential, paving the way for future innovations in the industry.