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For the Inventor, By the Inventor

Yokohama, Japan

Yasuhiko Inaba

USPTO Granted Patents = 12

Average Co-Inventor Count = 5.8

ph-index = 8

Forward Citations = 233(Granted Patents)


Company Filing History:

goldMedal12 out of 42,485 
 
Hitachi, Ltd.
 patents

Years Active: 2003-2008

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12 patents (USPTO):Explore Patents
1. 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),
2. 7231388 - Similar document retrieving method and system (2007-06-12),
3. 7200587 - Method of searching similar document, system for performing the same and program for processing the same (2007-04-03),
4. 7130849 - Similarity-based search method by relevance feedback (2006-10-31),
5. 7054860 - Method and system for retrieving a document and computer readable storage medium (2006-05-30),
6. 7039636 - Document retrieval method and document retrieval system (2006-05-02),
7. 6865571 - Document retrieval method and system and computer readable storage medium (2005-03-08),
8. 6757676 - Text mining method and apparatus allowing a user to analyze contents of a document set from plural analysis axes (2004-06-29),
9. 6738786 - Data display method and apparatus for use in text mining (2004-05-18),
10. 6665668 - Document retrieval method and system and computer readable storage medium (2003-12-16),
11. 6665667 - 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 (2003-12-16),
12. 6549898 - 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 (2003-04-15),

Title: Yasuhiko Inaba: Innovator in Document Retrieval Technologies

Introduction

Yasuhiko Inaba is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of document retrieval technologies. With a total of 12 patents to his name, Inaba's work has had a substantial impact on how documents are accessed and delivered.

Latest Patents

Inaba's latest patents include a method and apparatus for retrieving and delivering documents. This innovative system allows retrieval conditions inputted from multiple users to be registered. Based on these conditions, a retrieval is conducted for a text inputted by the user. The system calculates the similarity of the text for each retrieval condition and delivers the text to users whose conditions meet the similarity criteria. Another notable patent is a similar document retrieving method and system. This technology retrieves similar documents from a multilingual database with high accuracy while minimizing retrieval noise, even when the number of registered documents varies by language.

Career Highlights

Yasuhiko Inaba is currently employed at Hitachi, Ltd., where he continues to develop cutting-edge technologies. His work has been instrumental in advancing the capabilities of document retrieval systems, making them more efficient and user-friendly.

Collaborations

Inaba has collaborated with notable colleagues such as Tadataka Matsubayashi and Katsumi Tada. These partnerships have fostered innovation and contributed to the success of various projects within the company.

Conclusion

Yasuhiko Inaba's contributions to document retrieval technologies exemplify his dedication to innovation. His patents reflect a commitment to improving how users access and interact with information. Inaba's work continues to influence the field and inspire future advancements.

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