Company Filing History:
2 out of 42,494 
1 out of 228 
Years Active: 1993-1994
Title: Naofumi Sakai: Innovator in Data Management Systems
Introduction
Naofumi Sakai is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of data management, holding 2 patents that showcase his innovative approach to handling shared data.
Latest Patents
Sakai's latest patents include a "Data Management Method and System" and a "Database Generation Management Method and System." The data management method focuses on classifying shared data as either new or past data. This classification allows for efficient processing, where new data can be updated while past data remains unchanged, eliminating the need for lock processing. The system enhances concurrency control and improves user operation by allowing separate processing of new and past data. The database generation management method provides a framework for managing definition and generation information in a database, ensuring that data is acquired according to designated generation management information.
Career Highlights
Throughout his career, Naofumi Sakai has worked with prominent companies such as Hitachi, Ltd. and Hitachi Software Engineering Company, Ltd. His experience in these organizations has contributed to his expertise in data management systems.
Collaborations
Sakai has collaborated with notable coworkers, including Noriyuki Takahashi and Kazunori Nishizawa. Their collective efforts have further advanced the field of data management.
Conclusion
Naofumi Sakai's innovative work in data management systems has made a significant impact in the industry. His patents reflect a deep understanding of data classification and management, paving the way for more efficient data handling solutions.