Mishima, Japan

Hirohiko Kamimura

This inventor holds 3 USPTO granted patents. Top assignee: Read-Rite Smi Corporation. Active years: 2000-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirohiko Kamimura. Retrieved from https://idiyas.com/inventor/hirohiko-kamimura

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


% Patents Active = 100.0

Average Co-Inventor Count = 4.1

ph-index = 3

Forward Citations = 468(Granted Patents)


Location History:

  • Osaka-fu, JP (2000)
  • Osaka, JP (2002)
  • Mishima-gun, JP (2004)

Company Filing History:


Years Active: 2000-2004

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3 patents (USPTO):Explore Patents

Title: The Innovations of Hirohiko Kamimura

Introduction: Hirohiko Kamimura is a notable inventor based in Mishima-gun, Japan. With a total of three patents to his name, he has significantly contributed to the field of magnetic transducing elements, demonstrating a keen understanding of magnetic technologies.

Latest Patents: Kamimura's recent work includes two groundbreaking patents. The first patent is related to a spin-valve magnetic transducing element. In this innovation, a ferromagnetic tunneling junction film is encapsulated between two ferromagnetic layers with an insulating layer in between. Additionally, a nonmagnetic metal thin film is placed between the second ferromagnetic layer and the insulating layer, all anchored on a substrate. His second patent focuses on a magnetic head shield pole featuring a nonmagnetic separation film. This compound thin film magnetic head design allows the upper shield of the readout MR head to also function as the lower magnetic film of the write inductive head. This layered structure is crucial for effectively magnetically shielding the MR head while also serving dual functionality in magnetic operations.

Career Highlights: Hirohiko Kamimura has made significant strides in the technology sector through his work at Read-Rite Smi Corporation. His innovative contributions have not only advanced the company’s technology but have also sparked interest in the field of magnetic technologies and their applications.

Collaborations: Throughout his career, Kamimura has collaborated with esteemed colleagues Kenji Komaki and Satoru Hoshi. Together, they have worked on various projects that contribute to the advancement of magnetic technology in the industry.

Conclusion: Hirohiko Kamimura's dedication to innovation is evident through his patents and contributions at Read-Rite Smi Corporation. His inventions have paved the way for enhanced magnetic transducing elements, reflecting the continual evolution of technology in this crucial field.

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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