Shizuoka, Japan

Katsuji Ichikawa

This inventor holds 1 USPTO granted patent. Top assignee: Hitachi Global Storage Technologies Netherlands B.v.. Active years: 2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuji Ichikawa. Retrieved from https://idiyas.com/inventor/katsuji-ichikawa

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 2012

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1 patent (USPTO):Explore Patents

Title: Katsuji Ichikawa: Innovator in Magnetic Disk Drive Technology

Introduction

Katsuji Ichikawa is a notable inventor based in Shizuoka, Japan. He has made significant contributions to the field of magnetic disk drive technology. His innovative approach has led to the development of a unique patent that enhances the performance and reliability of hard disk drives.

Latest Patents

Ichikawa holds a patent for an "Air breather with waterproof fiber material for magnetic disk drive." This invention provides a magnetic disk drive that reliably prevents the entry of water or other forms of liquid through a breathing hole. The design aims to enhance the performance and reliability of the device. In one embodiment, a box body forming part of a hard disk drive (HDD) includes a top cover with a breathing hole drilled therein. This breathing hole serves to eliminate any pressure difference between the inside and outside of the HDD. A fiber waterproof body, made from a waterproof fiber material, is fitted in a large-diameter hole of the breathing hole. Additionally, a pore waterproof body, formed by bundling a large number of slender pores, is mounted in a small-diameter hole of the breathing hole.

Career Highlights

Ichikawa has worked with Hitachi Global Storage Technologies Netherlands B.V., where he has applied his expertise in developing advanced storage solutions. His work has been instrumental in improving the reliability of magnetic disk drives.

Collaborations

Ichikawa has collaborated with Mitsuhiko Oguchi, contributing to the advancement of technology in their field.

Conclusion

Katsuji Ichikawa's innovative contributions to magnetic disk drive technology demonstrate his commitment to enhancing device performance and reliability. His patent reflects a significant advancement in the industry, showcasing the importance of innovation in technology.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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