Norikazu Kawamura

Title: Norikazu Kawamura: Innovator in Magneto-Optical Recording Technology

Introduction

Norikazu Kawamura is a prominent inventor based in Tokyo, Japan. He is known for his significant contributions to the field of magneto-optical recording technology. With a focus on innovative materials, Kawamura has developed solutions that enhance data storage capabilities.

Latest Patents

Kawamura holds a patent for a garnet polycrystalline film designed for use in magneto-optical recording mediums. This invention includes at least two layers of polycrystalline garnet represented by the formula Bi.sub.x R.sub.3-x M.sub.Y Fe.sub.5-Y O.sub.12. The patent specifies that the crystal lattice constants of these adjacent layers differ by ±0.3% or more, and one layer has an average crystal grain diameter of 1 µm or less, which is smaller than that of the other layer. This innovation is crucial for the development of advanced magneto-optical recording disks.

Career Highlights

Throughout his career, Kawamura has worked with notable companies, including Nippon Steel Corporation and Nippon Hoso Kyokai. His experience in these organizations has contributed to his expertise in materials science and engineering.

Collaborations

Kawamura has collaborated with various professionals in his field, including Kenji Shimokawa. Their joint efforts have led to advancements in magneto-optical technologies.

Conclusion

Norikazu Kawamura's work in the development of garnet polycrystalline films has made a significant impact on magneto-optical recording technology. His innovative approach continues to influence the industry and pave the way for future advancements.