Koji Okuhata

Title: Koji Okuhata: Innovator in Information Recording Media

Introduction

Koji Okuhata is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of information recording media, holding a total of 7 patents. His work focuses on enhancing the performance and efficiency of substrates used in hard disk drives and other information storage devices.

Latest Patents

Among his latest patents are innovations related to substrates for information recording media and their manufacturing methods. One notable patent describes a substrate designed for use as a disk substrate in hard disk drives. This substrate, along with an information recording medium such as a magnetic disk, is created from a starting material glass plate. The forming conditions of this glass plate are meticulously controlled to ensure a long-wavelength waviness of not more than 6 nm. The polishing process utilizes CeO abrasive grains, which have a mean grain diameter of not less than 0.01 μm. This results in a substrate that exhibits excellent planarity, can be produced quickly, and requires minimal polishing. Consequently, the information recording medium can accommodate increased data zone recording density.

Career Highlights

Koji Okuhata has worked with notable companies in the industry, including Hoya Corporation and Nippon Sheet Glass Company, Limited. His experience in these organizations has contributed to his expertise in developing advanced materials for information recording.

Collaborations

Some of his notable coworkers include Kazuishi Mitani and Yasuhiro Saito. Their collaborative efforts have furthered innovations in the field of information recording media.

Conclusion

Koji Okuhata's contributions to the field of information recording media demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of material science and engineering, paving the way for advancements in data storage technology.