Yokohama, Japan

Haruhiko Kikkawa

This inventor holds 9 USPTO granted patents. Top assignees: Hitachi Chemical Company, Ltd., Hitachi, Ltd., Hitachi Global Storage Technologies Japan, Ltd.. Active years: 2000-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Haruhiko Kikkawa. Retrieved from https://idiyas.com/inventor/haruhiko-kikkawa

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


% Patents Active = 77.8

Average Co-Inventor Count = 5.1

ph-index = 4

Forward Citations = 39(Granted Patents)


Company Filing History:


Years Active: 2000-2006

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9 patents (USPTO):Explore Patents

Title: Haruhiko Kikkawa: Innovator in Magnetic Disk Technology

Introduction

Haruhiko Kikkawa is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of magnetic disk technology, holding a total of nine patents. His work has been instrumental in advancing the efficiency and accuracy of magnetic disk apparatuses.

Latest Patents

Kikkawa's latest patents include innovative designs for magnetic disk apparatuses and head-supporting mechanisms. One of his notable inventions involves a magnetic disk apparatus that features a magnetic disk for information storage, a magnetic head for writing and reading data, and a suspension that supports the magnetic head. This design incorporates a φ-shaped hinge, allowing for improved movement and positioning of the magnetic head. Another patent focuses on an actuator with a laminated construction of piezoelectric flat sheets, which enhances the accuracy of head positioning while reducing vibrations and dust generation.

Career Highlights

Throughout his career, Kikkawa has worked with esteemed companies such as Hitachi Chemical Company, Ltd. and Hitachi, Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in magnetic disk technology.

Collaborations

Kikkawa has collaborated with notable colleagues, including Makoto Kaji and Fumio Kataoka. Their combined expertise has contributed to the advancement of technology in their field.

Conclusion

Haruhiko Kikkawa's contributions to magnetic disk technology have made a lasting impact on the industry. His innovative patents and collaborations with leading companies and colleagues highlight his role as a key figure in this technological domain.

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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