Sagamihara, Japan

Hiroyuki Koarai

This inventor holds 1 USPTO granted patent. Top assignee: Fujitsu Corporation. Active years: 1977.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Koarai. Retrieved from https://idiyas.com/inventor/hiroyuki-koarai

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 = 7.0

ph-index = 1

Forward Citations = 18(Granted Patents)


Company Filing History:


Years Active: 1977

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1 patent (USPTO):Explore Patents

Title: Hiroyuki Koarai: Innovator in Data Processing Systems

Introduction

Hiroyuki Koarai is a notable inventor based in Sagamihara, Japan. He has made significant contributions to the field of data processing systems, particularly in the area of address conversion. His innovative work has led to the development of a unique patent that addresses the challenges of converting logical addresses to physical addresses in memory devices.

Latest Patents

Hiroyuki Koarai holds a patent for a "Data processing system for converting from logical addresses to physical." This patent describes an address converter that efficiently converts logical addresses of a program to physical addresses of a memory device. The system includes a first address converter with entries that correspond to logical addresses on a 1:1 basis, storing physical addresses linked to those logical addresses. Each entry indicates whether the corresponding memory area is commonly used for applications. Additionally, a second address converter features unique entries selected by any of the logical addresses corresponding to commonly used memory areas, further enhancing the efficiency of data processing.

Career Highlights

Hiroyuki Koarai is associated with Fujitsu Corporation, a leading technology company known for its advancements in computing and data processing. His work at Fujitsu has allowed him to focus on innovative solutions that improve data management and processing efficiency. His contributions have been instrumental in the development of cutting-edge technologies in the industry.

Collaborations

Throughout his career, Hiroyuki has collaborated with esteemed colleagues such as Ichiro Nakajima and Isao Sanaka. These collaborations have fostered an environment of innovation and creativity, leading to the successful development of new technologies and patents.

Conclusion

Hiroyuki Koarai's contributions to data processing systems exemplify the spirit of innovation in technology. His patent for converting logical addresses to physical addresses showcases his expertise and commitment to advancing the field. His work continues to influence the industry and inspire future innovations.

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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