NK

Naohiro Koizumi

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,409,926 of 4,157,543Top 85%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7010519 Method and system for expanding document retrieval information Katsumi Tada, Hisashi Takatori 2006-03-07