Yamato, Japan

Takashi Ashida

This inventor holds 23 USPTO granted patents and 1 published patent application, primarily in Data Storage Management. Top assignees: International Business Machines Corporation, Globalfoundries Inc.. Active years: 2011-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Ashida. Retrieved from https://idiyas.com/inventor/takashi-ashida

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

USPTO Granted Patents = 23 

% Patents Active = 13.0

Average Co-Inventor Count = 5.0

ph-index = 3

Forward Citations = 25(Granted Patents)


Location History:

  • Tokyo, JP (2015 - 2016)
  • Kanagawa-ken, JP (2011 - 2017)
  • Yamato, JP (2014 - 2021)

Company Filing History:


Years Active: 2011-2021

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Areas of Expertise:
File System
Data Storage
Tape Recording
Data Management
File Synchronization
WORM Technology
Tiered Storage
Cached Data
User-Based Management
Data Transmission
Embedded Device
Information Processing
23 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Takashi Ashida

Introduction: Takashi Ashida, a prominent inventor based in Yamato, Japan, has significantly impacted the field of data management and tape recording technology. With a total of 23 patents, Ashida's contributions have advanced the way data is communicated and managed within various systems, particularly focusing on enhancing file systems.

Latest Patents: Among his latest inventions are two notable patents that showcase his innovative approach to data management. The first, titled "Reading and writing via file system for tape recording system," involves a sophisticated method where data is communicated with a medium using an advanced cache system. This system consists of a read cache, write cache, and index cache, which together facilitate efficient storage and retrieval of target data based on access requests from applications. Another groundbreaking patent, "File system for rolling back data on tape," introduces a management tape that primarily contains index files. These files allow for rolling back data on normal tapes by reading index files that provide essential information, such as start positions and identification details of normal tapes.

Career Highlights: Throughout his career, Takashi Ashida has worked with renowned companies, including IBM and Globalfoundries Inc. His professional journey reflects a commitment to innovation and a deep understanding of data systems, enabling him to develop technologies that enhance performance and usability.

Collaborations: Ashida has collaborated with notable professionals in his field, including Hiroshi Itagaki and Terue Watanabe, both of whom have contributed to advancing tape recording and data management technologies. This collaboration has fostered an environment of creativity and shared expertise, furthering the impact of their collective work.

Conclusion: Takashi Ashida's contributions to innovations in data management and tape recording systems underscore his role as a pivotal inventor in the technology landscape. His patents not only reflect his technical prowess but also showcase a forward-thinking approach that continues to influence the industry.

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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