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For the Inventor, By the Inventor

Tama, Japan

Hiroyuki Kaji

USPTO Granted Patents = 19

Average Co-Inventor Count = 1.9

ph-index = 15

Forward Citations = 1,061(Granted Patents)


Company Filing History:

goldMedal19 out of 42,485 
 
Hitachi, Ltd.
 patents
silverMedal1 out of 61 
 
Hitachi Microcomputer System, Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1986-2008

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19 patents (USPTO):Explore Patents
1. 7467079 - Cross lingual text classification apparatus and method (2008-12-16),
2. 7240051 - Document search system using a meaning relation network (2007-07-03),
3. 7047195 - Speech translation device and computer readable medium (2006-05-16),
4. 6917920 - Speech translation device and computer readable medium (2005-07-12),
5. 5907821 - Method of computer-based automatic extraction of translation pairs of (1999-05-25),
6. 5813018 - Automated text extraction from source drawing and composition into (1998-09-22),
7. 5652898 - Dictionary memory for text processing using word frequency and word (1997-07-29),
8. 5526259 - Method and apparatus for inputting text (1996-06-11),
9. 5442546 - System and method for automatically generating translation templates (1995-08-15),
10. 5408410 - Method of and an apparatus for automatically evaluating machine (1995-04-18),
11. 5268839 - Translation method and system for communication between speakers of (1993-12-07),
12. 5227971 - Apparatus for and method of selecting a target language equivalent of a (1993-07-13),
13. 5181163 - Method and apparatus for generating and/or updating cooccurrence (1993-01-19),
14. 5020021 - System for automatic language translation using several dictionary (1991-05-28),
15. 4954984 - Method and apparatus for supplementing translation information in (1990-09-04),

Title: Innovations by Hiroyuki Kaji

Introduction

Hiroyuki Kaji, based in Tama, Japan, is a prominent inventor with an impressive portfolio of 19 patents. His work primarily focuses on enhancing the efficiency of text classification and document retrieval processes, showcasing his dedication to advancing technology in these fields.

Latest Patents

Among Hiroyuki Kaji's latest innovations are two patents that exemplify his expertise. The first, titled "Cross Lingual Text Classification Apparatus and Method," describes a sophisticated text classification system capable of processing multiple languages. This apparatus features a unit that converts words from unlabeled texts into word senses, and employs various learning units to enhance classification knowledge. The system is designed to seamlessly integrate this knowledge to effectively categorize text.

The second patent, "Document Search System Using a Meaning Relation Network," addresses the common challenges posed by ambiguous search keys. This inventive system allows users to retrieve related documents more accurately through a word sense associative network. By displaying related word senses and enabling user-selected word senses for search key generation, the system ensures a refined document filtering process.

Career Highlights

Hiroyuki Kaji has contributed his talents to major companies, including Hitachi, Ltd. and Hitachi Microcomputer System, Ltd. His work at these organizations highlights his commitment to innovation and his ability to develop cutting-edge solutions in text processing and search technologies.

Collaborations

Throughout his career, Hiroyuki has collaborated with notable professionals such as Yoshihiko Nitta and Fumon Shimizu. These partnerships have further enriched his contributions to the field and enhanced the development of his patented technologies.

Conclusion

Hiroyuki Kaji remains a key figure in the realm of text classification and document retrieval technologies. With his 19 patents, he continues to push the boundaries of innovation, making significant strides in how information is processed and accessed across multiple languages. His dedication to advancing these technologies positions him as a vital contributor to the future of information retrieval.

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