Kenji Sumiya is a prominent inventor based in Suita, Japan. He has made significant contributions to the field of magnetic recording technologies, holding a total of 11 patents. His work has been instrumental in advancing the durability and performance of various recording mediums.

Latest Patents

Among his latest patents, Sumiya has developed an article having an indicia-receiving layer. This article comprises a substrate and an indicia-receiving layer that includes a pigment and at least one binder resin selected from vinyl chloride-vinyl acetate copolymers and polyurethane resins. Additionally, he has created a magnetic recording medium that boasts good durability and electromagnetic conversion properties. This medium consists of a substrate and a magnetic layer containing magnetic powder and a binder component, which includes a glycidyl group-containing binder resin and a phosphated binder resin to enhance the dispersability of the magnetic powder.

Career Highlights

Kenji Sumiya is currently associated with Hitachi Maxell, Limited, where he continues to innovate and develop new technologies. His expertise in magnetic materials and recording technologies has positioned him as a key figure in his field.

Collaborations

Throughout his career, Sumiya has collaborated with notable colleagues, including Yoshinori Yamamoto and Osamu Saito. These collaborations have further enriched his work and contributed to the advancements in magnetic recording technologies.

Conclusion

Kenji Sumiya's contributions to the field of magnetic recording technologies are noteworthy. His innovative patents and collaborations reflect his commitment to advancing technology in this area. His work continues to influence the industry and pave the way for future innovations.

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