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For the Inventor, By the Inventor

Sagamihara, Japan

Shinji Fujiwara

This inventor holds 63 USPTO granted patents and 2 published patent applications, primarily in Database Management (CPC class G06F). Top assignees: Hitachi, Ltd., The University of Tokyo, Hitachi Communication Technologies, Ltd.. Active years: 1995-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shinji Fujiwara. Retrieved from https://idiyas.com/inventor/shinji-fujiwara

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

USPTO Granted Patents = 63 

% Patents Active = 54.0

Average Co-Inventor Count = 3.4

ph-index = 16

Forward Citations = 1,015(Granted Patents)

Forward Citations (Not Self Cited) = 1,007(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kokubunji, JP (1995 - 1998)
  • Yokohama, JP (1997 - 2000)
  • Sagamihara, JP (1999 - 2016)
  • Tokyo, JP (2017 - 2024)

Company Filing History:

goldMedal62 out of 42,740 
 
Hitachi, Ltd.
 patents
silverMedal10 out of 1,358 
 
The University of Tokyo
 patents
bronzeMedal1 out of 129 
 
Hitachi Communication Technologies, Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1995-2025

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Areas of Expertise:
Database Management
Disaster Recovery
Data Backup
Parallel Processing
Storage Control
Data Duplication
Query Processing
Data Arrangement
System Configuration
Stream Data Processing
Data Consistency
Computing System
63 patents (USPTO):Explore Patents
1. 12430334 - Database management apparatus and method (2025-09-30),
2. 12086411 - Storage control apparatus and method for a database storing data in pages (2024-09-10),
3. 11636107 - Database management system, computer, and database management method (2023-04-25),
4. 10853365 - Database management system, computer, and database management method (2020-12-01),
5. 10810174 - Database management system, database server, and database management method (2020-10-20),
6. 10789253 - Computing system and server (2020-09-29),
7. 10747773 - Database management system, computer, and database management method (2020-08-18),
8. 10515078 - Database management apparatus, database management method, and storage medium (2019-12-24),
9. 10417227 - Database management system, computer, and database management method (2019-09-17),
10. 10242053 - Computer and data read method (2019-03-26),
11. 9971793 - Database management system and database management method (2018-05-15),
12. 9870152 - Management system and management method for managing data units constituting schemas of a database (2018-01-16),
13. 9842136 - Database management system, computer, and database management method (2017-12-12),
14. 9841989 - Parallel data processing system, computer, and parallel data processing method (2017-12-12),
15. 9639576 - Database management system, computer, and database management method (2017-05-02),

Title: Shinji Fujiwara - Innovator in Database Management

Introduction

Shinji Fujiwara is a prominent inventor based in Sagamihara, Japan, with a remarkable portfolio of 62 patents to his name. His innovative contributions primarily enhance database management systems and storage control apparatuses. Through his work, he has significantly advanced the efficiency and reliability of data storage and retrieval processes.

Latest Patents

Fujiwara's latest inventions include a "Storage control apparatus and method for a database storing data in pages" and a "Database management system, computer, and database management method." The former details a sophisticated system wherein data writing is performed in a page unit within a logical storage space split into multiple pages. The control apparatus optimizes data writing by determining execution conditions for external storage, enhancing the process's reliability and efficiency. The latter patent focuses on a database management system that generates dynamic query execution plans and utilizes multi-threading capabilities to accelerate database operations, thereby streamlining overall performance.

Career Highlights

Fujiwara has carved a successful career at leading companies, including Hitachi, Ltd., where he honed his skills in database technologies. Additionally, he contributed to academic advancements at The University of Tokyo, blending practical innovation with academic research. His work in both corporate and educational settings has been pivotal in shaping contemporary database management solutions.

Collaborations

Throughout his career, Shinji Fujiwara has collaborated with esteemed colleagues such as Nobuo Kawamura and Yoshio Suzuki. These partnerships have fostered a creative environment conducive to innovation, leading to the development of groundbreaking technologies and methodologies in the field of data storage and management.

Conclusion

Shinji Fujiwara's contributions to the realm of database technology underscore the vital role of innovation in today's data-driven world. With a substantial number of patents and numerous collaborations with distinguished professionals, his work epitomizes the spirit of ingenuity and excellence in the field of inventions.

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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