Inventor
NARA YASUAKI
JP4 patents
Patents
4 patentsUS4612974ASep 23, 1986
Heat storage device
HITACHI LTD23 citations78
US4498307AFeb 12, 1985
Absorption cold and warm water system utilizing solar heat
HITACHI LTD12 citations72
US4493192AJan 15, 1985
Operation device for absorption cold and warm water system utilizing solar heat
HITACHI LTD11 citations72
US4454726AJun 19, 1984
Control device of absorption type cold and warm water system
HITACHI LTD17 citations72