Natsuko Sugaya

This inventor holds 20 USPTO granted patents and 2 published patent applications, primarily in Document Retrieval. Top assignee: Hitachi, Ltd.. Active years: 1999-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Natsuko Sugaya. Retrieved from https://idiyas.com/inventor/natsuko-sugaya

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

Calculating rank

USPTO Granted Patents = 20 (Patent Applications = 2)

% Patents Active = 60.0

Average Co-Inventor Count = 4.5

ph-index = 8

Forward Citations = 311(Granted Patents)

Location History:

Kawasaki, JP (1999 - 2006)
Miyamae, JP (2003 - 2008)
Inagi, JP (2008 - 2014)
Tokyo, JP (2019 - 2020)

Company Filing History:

20 out of 42,743

Hitachi, Ltd.

patents

Years Active: 1999-2020

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Areas of Expertise:

Document Retrieval

Data Search

Text Mining

Information Processing

Similarity Calculation

Structured Documents

Data Update

Confined Space Estimation

Analysis Axes

News Clipping

Data Display

Document Delivery

20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10860960 - Project support system and method (2020-12-08),

2. 10423613 - Data search method and data search system (2019-09-24),

3. 10394870 - Search method (2019-08-27),

4. 10368191 - Confined space estimation system and confined space estimation method (2019-07-30),

5. 8645319 - Information processing system, data update method and data update program (2014-02-04),

6. 8191066 - Continuously loading series of data whether data is requested or not, in response to end command unloading the data in descendent order of reference probability (2012-05-29),

7. 7440938 - Method and apparatus for calculating similarity among documents (2008-10-21),

8. 7333983 - Method of and an apparatus for retrieving and delivering documents and a recording media on which a program for retrieving and delivering documents are stored (2008-02-19),

9. 7054860 - Method and system for retrieving a document and computer readable storage medium (2006-05-30),

10. 7039636 - Document retrieval method and document retrieval system (2006-05-02),

11. 6865571 - Document retrieval method and system and computer readable storage medium (2005-03-08),

12. 6826567 - Registration method and search method for structured documents (2004-11-30),

13. 6757676 - Text mining method and apparatus allowing a user to analyze contents of a document set from plural analysis axes (2004-06-29),

14. 6738786 - Data display method and apparatus for use in text mining (2004-05-18),

15. 6665668 - Document retrieval method and system and computer readable storage medium (2003-12-16),

Title: Natsuko Sugaya: Innovator Leading Projects at Hitachi

Introduction

Natsuko Sugaya is a prominent inventor based in Kawasaki, Japan, with an impressive portfolio of 20 patents. His contributions significantly enhance project management and data search methodologies, demonstrating his commitment to innovation within his field.

Latest Patents

Among his latest inventions are two noteworthy patents:

1. **Project Support System and Method** - This invention offers a comprehensive support framework for project operations. It creates a model case for each project component that specifies performance targets, ideal execution times, and methods for consensus-building tasks based on prior project data. This system ultimately generates a tailored consensus-building plan for current projects.

2. **Data Search Method and Data Search System** - This innovative approach provides a method and system for retrieving data that answers queries effectively through concept searches. The method identifies a text group similar to an inquiry text from a larger data set by analyzing the frequency of specific pieces of information, ensuring efficient and relevant search results.

Career Highlights

Natsuko Sugaya is currently employed at Hitachi, Ltd., where he has made significant contributions to various projects. His expertise in project support systems and data search technologies has garnered attention in the tech industry, showcasing his ability to solve complex problems through innovative solutions.

Collaborations

Throughout his career, Sugaya has worked alongside talented colleagues, including Tadataka Matsubayashi and Katsumi Tada. These collaborations have likely fostered an environment of creativity and innovation, driving forward the technological advancements at Hitachi.

Conclusion

Natsuko Sugaya stands out as a remarkable inventor whose work at Hitachi, Ltd. has influenced the fields of project management and data retrieval. His 20 patents reflect his dedication to advancing technology and improving operational efficiencies, making him a notable figure in the innovation 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]

2 patents pending: