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Norifumi Nishikawa

HI Hitachi: 4 patents #146 of 3,189Top 5%
📍 Tokyo, CA: #37 of 208 inventorsTop 20%
Overall (2005): #10,267 of 245,428Top 5%
4
Patents 2005

Issued Patents 2005

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6944711 Cache management method for storage device Kazuhiko Mogi, Yoshiaki Eguchi 2005-09-13
6925462 Database management system, and query method and query execution program in the database management system Shigekazu Inohara, Koichi Shimazaki, Kiyomi Hirohata, Kohsaku Yamahira, Shigetoshi Hayashi 2005-08-02
6882994 Method and system for querying database, as well as a recording medium for storing a database querying program Mitsuhiko Yoshimura, Yuichi Yagawa, Shigetoshi Hayashi, Keiichiro Inaba 2005-04-19
6850957 Information system and data access method Shoichi Minami, Takanobu Otani, Yasuharu NAMBA, Hirotaka Mizuno 2005-02-01