Satoru Ohnuki is a prominent inventor based in Toride, Japan. He has made significant contributions to the field of information-recording media, holding a total of 14 patents. His innovative designs have advanced the technology used in various recording mediums.

Latest Patents

One of Ohnuki's latest patents is for a cartridge designed for information-recording media that features a deformable elastic pressing member urged by a projection on the shutter. This design includes a plate spring on the back surface of the shutter, which presses a disk against the inner wall of the cartridge case when closed. This mechanism ensures that the disk remains immovable, preventing warpage and deformation during storage. Another notable patent involves a magneto-optical recording medium and a reproducing method that enhances the reproduction of magnetic domains. This technology utilizes auxiliary magnetic films to expand the magnetic domain during reproduction, allowing for improved signal detection and excellent carrier-to-noise ratios.

Career Highlights

Ohnuki is currently associated with Hitachi Maxell, Limited, where he continues to innovate in the field of recording technologies. His work has been instrumental in developing solutions that enhance the reliability and performance of information-recording media.

Collaborations

Throughout his career, Ohnuki has collaborated with notable colleagues, including Masafumi Yoshihiro and Katsusuke Shimazaki. These partnerships have contributed to the advancement of technology in their respective fields.

Conclusion

Satoru Ohnuki's contributions to the field of information-recording media are significant and impactful. His innovative patents and collaborations reflect his dedication to advancing technology and improving the reliability of recording mediums.

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