This inventor holds 1 USPTO granted patent. Top assignee: Hitachi, Ltd.. Active years: 2011.
Company Filing History:
Years Active: 2011
Title: Hiroko Ohi: Innovator in Document Retrieval Systems
Introduction
Hiroko Ohi is a prominent inventor based in Machida, Japan. She has made significant contributions to the field of document retrieval systems. Her innovative approach focuses on enhancing the efficiency of document retrieval by considering similarities between documents based on numeric data.
Latest Patents
Hiroko Ohi holds a patent for a "Document retrieval system and document retrieval method." This invention involves a method where document retrieval is performed by taking into account the similarities between documents through numeric data. The system generates a set of intervals that include elements of a set of numeric values representing specific features. Each numeric value in the documents is indexed, allowing for the calculation of similarities using a vector space model or a probability model. This method ultimately presents document data in order of similarity, improving the retrieval process.
Career Highlights
Hiroko Ohi is currently employed at Hitachi, Ltd., where she continues to develop innovative solutions in her field. Her work has been instrumental in advancing document retrieval technologies, making significant impacts in various applications.
Collaborations
Hiroko has collaborated with notable colleagues, including Yoshiki Niwa and Kiyohiro Obara. These partnerships have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.
Conclusion
Hiroko Ohi's contributions to document retrieval systems exemplify her dedication to innovation and technology. Her patent and ongoing work at Hitachi, Ltd. highlight her role as a leading inventor in her field.