Higashine, Japan

Eishin Yamakawa

This inventor holds 14 USPTO granted patents. Top assignees: Fujitsu Corporation, Showa Denko K.k., Kansai University. Active years: 2000-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eishin Yamakawa. Retrieved from https://idiyas.com/inventor/eishin-yamakawa

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


% Patents Active = 85.7

Average Co-Inventor Count = 4.4

ph-index = 3

Forward Citations = 29(Granted Patents)


Location History:

  • Kawasaki, JP (2000)
  • Higashine, JP (2003 - 2012)
  • Chiba, JP (2017)
  • Ichihara, JP (2018 - 2021)
  • Tokyo, JP (2022)

Company Filing History:


Years Active: 2000-2022

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14 patents (USPTO):Explore Patents

Title: Eishin Yamakawa: Innovator in Magnetic Recording Technologies

Introduction

Eishin Yamakawa is a prominent inventor based in Higashine, Japan. He holds a total of 14 patents, showcasing his significant contributions to the field of magnetic recording technologies. His innovative methods have advanced the manufacturing processes of various electronic components.

Latest Patents

One of Yamakawa's latest patents is a method of manufacturing a magnetic recording medium. This method involves creating an unfinished product that includes a magnetic recording layer and a protection layer formed successively on a substrate. A lubricant layer is then applied to the protection layer, utilizing a first organic fluorine compound and a gas containing a second organic fluorine compound. The second compound is decomposed through Townsend discharge and ultraviolet ray irradiation. Additionally, he has developed methods for producing thin films, magnetic disks, and nanoimprint molds, which involve precise processes such as applying light energy and AC electric fields to workpieces.

Career Highlights

Throughout his career, Yamakawa has worked with notable companies, including Fujitsu Corporation and Showa Denko K.K. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the industry.

Collaborations

Yamakawa has collaborated with esteemed colleagues, including Hiroshi Chiba and Keiji Watanabe. Their joint efforts have further propelled advancements in their respective fields.

Conclusion

Eishin Yamakawa's innovative work in magnetic recording technologies and his extensive patent portfolio highlight his significant impact on the industry. His contributions continue to shape the future of electronic manufacturing processes.

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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