Inventors with similar research interests:
Location History:
- Amagasaki, JP (1998 - 2001)
- Nachida, JP (2008)
- Noda, JP (2010)
- Machida, JP (2004 - 2014)
- Santa Clara, CA (US) (2020)
- Tokyo, JP (2005 - 2024)
Company Filing History:
65 out of 42,508 
5 out of 1,287 
1 out of 228 
Years Active: 1998-2025
Areas of Expertise:
Title: Norifumi Nishikawa: A Pioneer in Database Management Innovations
Introduction
Norifumi Nishikawa, a distinguished inventor from Machida, Japan, holds an impressive portfolio of 63 patents. His work has significantly contributed to the field of database management systems, revolutionizing how data is stored and processed. Nishikawa's inventive spirit and dedication to innovation have made him a key figure in the technology sector.
Latest Patents
Among his latest contributions to technology, two notable patents stand out. The first is a "Storage system and data cache method," which details a sophisticated database management system that optimally reads and executes queries based on identified required columns. This system uses high-speed storage devices to enhance performance by preferentially retrieving data, thereby streamlining the query execution process.
The second patent, a "Computer system and query processing method," focuses on reducing the processing load associated with joining multiple tables using a hash join. This innovation involves the creation of partial bloom filters that manage hash values for joining keys. By integrating these filters, the system efficiently calculates hash values against probe tables, facilitating the rapid generation of joined tables in response to query requests.
Career Highlights
Nishikawa’s career has been marked by significant tenure at reputable organizations. He has made substantial contributions while working at Hitachi, Ltd. and the University of Tokyo. His professional journey showcases a blend of academic and practical applications of his innovative designs in database management.
Collaborations
Throughout his career, Norifumi Nishikawa has collaborated with esteemed colleagues, including Kazuhiko Mogi and Hideomi Idei. These partnerships have fostered an environment of innovation and creativity, resulting in groundbreaking developments in the field of computing and data management.
Conclusion
Norifumi Nishikawa's influential inventions and patents have paved the way for advancements in database management systems. His dedication to innovation and collaboration with other talented professionals exemplify the importance of teamwork in achieving technological breakthroughs. As he continues to push the boundaries of what is possible in data processing, his legacy will undoubtedly inspire future generations of inventors and innovators.