Kawasaki, Japan

Takeshi Ishimoto

This inventor holds 22 USPTO granted patents and 1 published patent application, primarily in Data Storage Management. Top assignees: International Business Machines Corporation, Lenovo (Singapore) Pte. Ltd.. Active years: 1998-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Ishimoto. Retrieved from https://idiyas.com/inventor/takeshi-ishimoto

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

Calculating rank
USPTO Granted Patents = 22 

% Patents Active = 40.9

Average Co-Inventor Count = 3.9

ph-index = 3

Forward Citations = 29(Granted Patents)


Location History:

  • Kangawaken, JP (2017)
  • Kanagawa-ken, JP (2011 - 2021)
  • Kawasaki, JP (1998 - 2024)

Company Filing History:


Years Active: 1998-2024

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Areas of Expertise:
Hierarchical Storage Management
Data Co-Location
Tape Recall
Metadata Optimization
Data Migration
WORM File System
Storage Systems
Performance Efficiency
Cost-Effective Archiving
Data Access Management
Latency Management
Resource Management
22 patents (USPTO):Explore Patents

Title: Innovations and Contributions of Takeshi Ishimoto

Introduction: Takeshi Ishimoto, based in Kawasaki, Japan, is a distinguished inventor holding 22 patents to his name. His work primarily focuses on advancing data archiving technologies, enhancing performance, and optimizing storage solutions.

Latest Patents: Among his notable contributions are two recent patents. The first is titled "Performance- and cost-efficient archiving of small objects." This method involves receiving multiple files representing various objects, aggregating selected files into a larger file, and storing it on low-latency storage media like disk drives. It efficiently migrates the aggregation file to high-latency media, like tape storage, while maintaining a single inode on the low-latency storage, thereby reducing metadata overhead and improving retrieval performance. The second patent, "Event driven migration, recall, and data placement optimization based on custom metadata," describes a computer-implemented approach for moving data items between primary and secondary storage systems based on custom metadata. This enhances system efficiency and data management.

Career Highlights: Takeshi has had a notable career, working with reputable companies such as IBM and Lenovo Enterprise Solutions (Singapore) Pte. Ltd. His roles in these organizations have allowed him to contribute significantly to advancements in storage technology and data management solutions.

Collaborations: Throughout his career, Takeshi has collaborated with talented individuals, including his coworkers Atsushi Abe and Yutaka Oishi. Their collective expertise has driven innovation in their projects and contributed to the successful development of patented technologies.

Conclusion: Takeshi Ishimoto's contributions to the technology landscape through his patents and collaborative efforts highlight his status as a leading inventor in the field of data storage and management. His innovative methods not only improve performance but also streamline processes, demonstrating the vital role that inventors play in shaping technological advancements.

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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