Location History:
- Kokubunji, JP (1999 - 2011)
- Fuchu, JP (2010 - 2013)
- Ebina, JP (2016)
- Tokyo, JP (2018 - 2020)
Company Filing History:
Years Active: 1999-2020
Title: Innovator Kazutomo Ushijima: Pioneering Database Management Solutions
Introduction
Kazutomo Ushijima, an accomplished inventor based in Kokubunji, Japan, holds an impressive portfolio of 25 patents. His innovative contributions primarily focus on advancements in database management systems, showcasing his expertise and commitment to enhancing technological efficiency.
Latest Patents
Among his latest patents are significant inventions that are shaping the future of database management. One such patent is an "Index tree search method and computer," which involves a sophisticated technique for searching an index tree contained within a computer database. This method allocates search ranges in the index tree to multiple threads executed by the processor, thereby optimizing search efficiency.
Another noteworthy patent is the "Database management system and database management method using logical addresses and timestamps." This invention employs a blockwise-erase nonvolatile storage device, which incorporates logical-to-physical conversion information for effective data management. The device ensures timely management of physical areas based on timestamps and reference counters, contributing to improved data handling and storage capabilities.
Career Highlights
Kazutomo Ushijima's innovative journey is marked by his role at Hitachi, Ltd., a renowned technology company where he has developed cutting-edge solutions in the field of database management. His contributions have significantly impacted the efficiency and reliability of data handling systems.
Collaborations
Throughout his career, Ushijima has had the opportunity to collaborate with esteemed colleagues, including Shinji Fujiwara and Itaru Nishizawa. These collaborations have fostered an environment of innovation and creativity, leading to groundbreaking advancements in their respective fields.
Conclusion
Kazutomo Ushijima's impressive record of 25 patents highlights his commitment to innovation and excellence in database management systems. His latest inventions, which focus on enhancing the efficiency of index tree searches and data management processes, position him as a key figure in the technological landscape. As he continues to develop new solutions, Ushijima’s contributions will undoubtedly influence the future of database technologies.