Yokohama, Japan

Shigeto Hiraga

This inventor holds 2 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 2006-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeto Hiraga. Retrieved from https://idiyas.com/inventor/shigeto-hiraga

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

Calculating rank

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 73(Granted Patents)


Company Filing History:


Years Active: 2006-2010

Loading Chart...
2 patents (USPTO):Explore Patents

Title: Shigeto Hiraga: Innovator in Database Management Systems

Introduction

Shigeto Hiraga is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of database management systems, focusing on protecting data from malicious updates and deletions. With a total of 2 patents, his work has garnered attention in the technology sector.

Latest Patents

Hiraga's latest patents include a method and apparatus for managing a database and processing program designed to safeguard data integrity. This innovative database management system is structured to hold an insert-only attribute and a row deletion prohibition period as table attributes. Additionally, it incorporates an access right attribute that specifies the row insertion date and time. This system effectively checks the table attributes and row insertion date and time when a table data update or row deletion is requested, thereby preventing malicious updates and deletions.

Career Highlights

Shigeto Hiraga is currently employed at Hitachi, Ltd., where he continues to develop and refine his innovative ideas in database management. His expertise in this area has positioned him as a valuable asset to his company and the broader technology community.

Collaborations

Hiraga collaborates with Takashi Itaya, a fellow innovator, to further enhance their projects and share insights within their field. Their partnership exemplifies the importance of teamwork in driving technological advancements.

Conclusion

Shigeto Hiraga's contributions to database management systems highlight his commitment to innovation and data protection. His patents reflect a deep understanding of the challenges in data integrity, making him a key figure in the technology landscape.

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]
Loading…