Introduction: Shinji Eda, a notable inventor based in Tokyo, Japan, has made significant contributions to the field of glass technology, particularly in the production of specialized glass components used in hard disk drives. With 24 patents to his name, his work reflects a deep understanding of materials science and engineering.

Latest Patents: Among his latest innovations are two groundbreaking patents. The first is titled "Method for Manufacturing Ring-Shaped Glass Spacer." This invention outlines a precise method for producing a ring-shaped glass spacer intended for use in hard disk drive apparatuses. The method includes preparing a ring-shaped glass blank and grinding its main surfaces using grinding pads with diamond particles as fixed abrasive materials. The second patent, "Glass Spacer, Hard Disk Drive Apparatus, and Method for Manufacturing Glass Spacer," details a design where the glass spacer comes into contact with magnetic disks in hard disk drives. Notably, it describes a unique characteristic where the surface resistivity of the glass material’s surface is lower than that of its inner portion at room temperature.

Career Highlights: Shinji Eda has had a remarkable career, working with companies renowned for their technological advancements. He has contributed his expertise to Hoya Corporation and Hoya Glass Disk (Thailand) Ltd., where he has been pivotal in driving innovation in glass products suitable for high-performance devices.

Collaborations: Throughout his career, Eda has collaborated with other talented professionals, including Hideki Isono and Kinobu Osakabe. These partnerships have likely enhanced the breadth of his work, allowing for greater innovation and progress in glass manufacturing technologies.

Conclusion: Shinji Eda stands out as a prominent figure in the field of glass technology, with a commendable portfolio of patents that showcase his inventive prowess. His work not only advances the capabilities of hard disk drive apparatuses but also demonstrates the importance of collaboration and innovation in engineering disciplines.

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