Location History:
- Tokyo, JP (1992)
- Hadano, JP (1999)
- Hachioji, JP (1991 - 2000)
- Sagamihara, JP (1993 - 2004)
Company Filing History:
25 out of 42,485 
1 out of 56 
1 out of 1,112 Years Active: 1991-2004
Title: Hisamitsu Kawaguchi: A Pioneer in Structured-Text Cataloging Methods
Introduction
Hisamitsu Kawaguchi, based in Sagamihara, Japan, is a notable inventor recognized for his contributions in the field of structured-text cataloging and searching. With an impressive portfolio of 25 patents, Kawaguchi has made significant strides in advancing the ways information can be indexed and retrieved, particularly through innovative methods that enhance text analysis.
Latest Patents
Among Hisamitsu Kawaguchi's latest inventions are the structured-text cataloging method, the structured-text searching method, and the portable medium used in these methods. His cataloging method involves several key steps, such as cataloging analyzed text data, creating a structure index to organize logical structures, and generating structured full-text data that defines associative relations between character-string data. Furthermore, he ensures the integrity of the cataloging process through a character-string-index updating step, which details the extraction of partial character strings and the generation of structured-character-position information.
Career Highlights
Kawaguchi has built his career with esteemed companies such as Hitachi, Ltd. and Hitachi Computer Engineering Co., Ltd. His roles in these organizations have allowed him to leverage his expertise in information technology and textual analysis, further solidifying his status as an influential inventor in the technical community.
Collaborations
Throughout his career, Hisamitsu Kawaguchi has collaborated with several noteworthy individuals, including Kanji Kato and Atsushi Hatakeyama. These collaborations have contributed to the development and refinement of his patentable innovations, demonstrating the value of teamwork and shared expertise in driving technological advancements.
Conclusion
Hisamitsu Kawaguchi's innovative work in structured-text cataloging and searching has set a benchmark in the field of text analysis. His 25 patents reflect a commitment to enhancing how we interact with and retrieve information. As a pioneer in this domain, Kawaguchi continues to influence the future of information technology through his inventive contributions.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.