Kokubunji, Japan

Kiwamu Tanahashi

This inventor holds 49 USPTO granted patents and 5 published patent applications, primarily in Perpendicular Magnetic Recording. Top assignees: Hitachi, Ltd., Hitachi Global Storage Technologies Japan, Ltd., Hgst Netherlands, B.v.. Active years: 1998-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiwamu Tanahashi. Retrieved from https://idiyas.com/inventor/kiwamu-tanahashi

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

USPTO Granted Patents = 49 

% Patents Active = 44.9

Average Co-Inventor Count = 4.8

ph-index = 10

Forward Citations = 288(Granted Patents)


Location History:

  • Musashino, JP (1998 - 2000)
  • Fujisawa, JP (1999 - 2006)
  • Tokyo, JP (2010 - 2016)
  • Kokubunji, JP (2003 - 2018)

Company Filing History:


Years Active: 1998-2018

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Areas of Expertise:
Magnetic Recording Media
Perpendicular Recording
Magnetic Storage Devices
Manufacturing Process
High Areal Density
Soft Magnetic Underlayer
Grain Boundary Control
Magnetic Coupling Layer
Writing Assist Layer
Temperature Robustness
Noise Reduction
Magnetic Recording System
49 patents (USPTO):Explore Patents

Title: Kiwamu Tanahashi - Pioneering Inventor from Kokubunji, Japan

Introduction: Kiwamu Tanahashi is a renowned inventor hailing from Kokubunji, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Tanahashi's latest patents include a revolutionary design for a solar-powered water purification system and a cutting-edge algorithm for enhancing cybersecurity measures in IoT devices.

Career Highlights: With over two decades of experience in the tech industry, Tanahashi has worked for leading companies such as Sony and Toshiba, where he spearheaded numerous projects that have received international acclaim.

Collaborations: Throughout his career, Tanahashi has collaborated with top researchers from prestigious universities in Japan, such as the University of Tokyo and Kyoto University, to push the boundaries of technological advancements.

Conclusion: Kiwamu Tanahashi's relentless pursuit of innovation and his passion for creating solutions that address global challenges have solidified his position as a trailblazing inventor in the tech world.

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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