Inventor
TSUSAKA YUJI
JP5 patents
⚠️ This page may combine multiple inventors who share the name “TSUSAKA YUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
2 patentsUS6275809B1Aug 14, 2001
Business processing system employing a notice board business system database and method of processing the same
HITACHI LTD87 citations93
US7076440B2Jul 11, 2006
Business processing system employing a notice board business system database and method of processing the same
HITACHI LTD1 citations48