Inventor
YANAGISAWA SEIJI
JP7 patents
⚠️ This page may combine multiple inventors who share the name “YANAGISAWA SEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
5 patentsUS7019411B2Mar 28, 2006
Energy recovery apparatus and method of operating energy recovering apparatus
HITACHI LTD11 citations84
US6698223B2Mar 2, 2004
Energy collecting system and method of operating the same
HITACHI LTD11 citations72
US7081688B2Jul 25, 2006
Energy recovery apparatus and method of operating energy recovering apparatus
HITACHI LTD2 citations62
US7191610B2Mar 20, 2007
Energy collecting system and method of operating the same
HITACHI LTD1 citations61
US7174735B2Feb 13, 2007
Energy collecting system and method of operating the same
HITACHI LTD1 citations61