Inventor
HOTTA YOSHIJI
JP4 patents
Patents
4 patentsUS6458488B1Oct 1, 2002
Positive electrode activator for lithium secondary battery and lithium secondary battery
HITACHI LTD54 citations94
US4692560ASep 8, 1987
Forced flow cooling-type superconducting coil apparatus
HITACHI LTD41 citations91
US5189386AFeb 23, 1993
Aluminum-stabilized superconductor and superconducting coil, and method of manufacturing the superconductor
HITACHI LTD21 citations90
US6399251B1Jun 4, 2002
Lithium secondary battery
HITACHI LTD5 citations61