IN

Itaru Nishizawa

HI Hitachi: 28 patents #1,022 of 28,497Top 4%
📍 Koganei, JP: #25 of 449 inventorsTop 6%
Overall (All Time): #139,207 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
6519598 Active memory and memory control method, and heterogeneous data integration use system using the memory and method Mamoru Sugie, Nobutoshi Sagawa, Hiroaki Odawara, Shigekazu Inohara, Frederico Buchholz Maciel +2 more 2003-02-11
6381601 Grouping and duplicate removal method in a database Shinji Fujiwara, Kazutomo Ushijima 2002-04-30
5890150 Random sampling method for use in a database processing system and a database processing system based thereon Kazutomo Ushijima, Shinji Fujiwara, Kazuo Masai, Yori Takahashi 1999-03-30