Yokohama, Japan

Takayasu Yamakawa

This inventor holds 1 USPTO granted patent. Top assignee: Hitachi, Ltd.. Active years: 1986.

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

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 = 2.0

ph-index = 1

Forward Citations = 24(Granted Patents)


Company Filing History:


Years Active: 1986

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1 patent (USPTO):Explore Patents

Title: The Innovations of Takayasu Yamakawa

Introduction

Takayasu Yamakawa is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of data storage and management. His innovative approach has led to the development of a unique method for controlling the storage of data sets in memory units.

Latest Patents

Yamakawa holds a patent for a "Method for controlling storage of data sets in memory unit." This invention addresses the challenges faced in computer systems regarding the management of data sets stored in magnetic disk apparatuses. The patent outlines a process that utilizes information about empty areas generated during data storage. By deriving the total capacity of these empty areas and assessing their nonuniformity in size, the system can determine whether recompilation processing is necessary. If the analysis indicates a potential benefit, the system proceeds with recompilation to optimize data storage.

Career Highlights

Yamakawa is currently employed at Hitachi, Ltd., a leading technology company known for its advancements in various sectors, including information technology and data management. His work at Hitachi has allowed him to focus on innovative solutions that enhance data storage efficiency and reliability.

Collaborations

Yamakawa has collaborated with Mitsuru Doki, a fellow innovator in the field. Their partnership has fostered a creative environment that encourages the development of cutting-edge technologies.

Conclusion

Takayasu Yamakawa's contributions to data storage technology exemplify the importance of innovation in the digital age. His patent reflects a deep understanding of the complexities involved in data management, showcasing his commitment to improving computer systems. Through his work at Hitachi, Yamakawa continues to influence the future of technology.

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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