Company Filing History:

16 out of 42,485

Hitachi, Ltd.

patents

2 out of 228

Hitachi Software Engineering Company, Ltd.

patents

1 out of 149

Hitachi Microcomputer Engineering, Ltd.

patents

4. 3 out of 832,680

Other

patents

where one patent can have more than one assignee

Years Active: 1990-2009

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19 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7599910 - Method and system of database divisional management for parallel database system (2009-10-06),

2. 7225178 - Data structure in database, database system for managing database and database managing method and system (2007-05-29),

3. 7039660 - Disaster recovery processing method and apparatus and storage unit for the same (2006-05-02),

4. 7031984 - Disaster recovery processing method and apparatus and storage unit for the same (2006-04-18),

5. 6745191 - Parallel database record distribution method and parallel database management system (2004-06-01),

6. 6584457 - Parallel data base record distribution method and parallel data base management system (2003-06-24),

7. 6510428 - Method and system of database divisional management for parallel database system (2003-01-21),

8. 6192359 - Method and system of database divisional management for parallel database system (2001-02-20),

9. 6169982 - Parallel data base record distribution method and parallel data base management system (2001-01-02),

10. 6101495 - Method of executing partition operations in a parallel database system (2000-08-08),

11. 5987462 - Parallel data base record distribution method and parallel data base (1999-11-16),

12. 5890150 - Random sampling method for use in a database processing system and a (1999-03-30),

13. 5813005 - Method and system of database divisional management for parallel (1998-09-22),

14. 5778388 - Method of processing a synchronization point in a database management (1998-07-07),

15. 5717918 - Method for concurrently performing a physical sequential scan of a (1998-02-10),

Title: Kazuo Masai: Innovator in Database Systems

Introduction

Kazuo Masai, a renowned inventor based in Yokohama, Japan, has made significant contributions to the field of database management. With an impressive portfolio of 19 patents, Masai's work has greatly influenced the efficiency and scalability of parallel database systems. His innovative methods and systems stand out in the tech landscape, providing solutions that cater to dynamic load conditions in data processing.

Latest Patents

Masai's latest patents include groundbreaking methodologies in database divisional management for parallel database systems. One of his notable inventions is a method and system that comprises a Front End Server (FES), Back End Servers (BESs), an I/O Server, and disk units. This invention allows for a scalable configuration that can dynamically adjust the number of back end servers according to fluctuating load patterns. Additionally, he has developed a system for managing database structures that involves time series data loading and state transition information. This advanced system provides an efficient way to manage various states of data, ensuring high-speed query processing.

Career Highlights

Throughout his career, Kazuo Masai has worked with distinguished companies, including Hitachi, Ltd. His tenure at such esteemed organizations has enabled him to refine his skills and innovate in ways that enhance database technologies. Masai's achievements in the patent realm showcase his commitment to pushing the boundaries of what is possible in database management.

Collaborations

In his journey of innovation, Masai has collaborated with renowned professionals including Masashi Tsuchida and Shunichi Torii. These partnerships have played a pivotal role in fostering creativity and enhancing the functionality of the inventions they have developed together, highlighting the importance of teamwork in pioneering advancements.

Conclusion

Kazuo Masai continues to be a driving force in the evolution of database systems. His patents not only represent technological advancements but also demonstrate a deep understanding of the needs present in data management. As technologies advance and the demand for efficient database systems grows, Masai's contributions will undoubtedly remain influential in shaping the future of the industry.

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