Inventor
KAHARA TOSHIKI
JP19 patents
⚠️ This page may combine multiple inventors who share the name “KAHARA TOSHIKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
17 patentsUS5563003AOct 8, 1996
Fuel cell and supplementary electrolyte container and method for supplementing fuel cell with electrolyte
HITACHI LTD65 citations96
US5212022AMay 18, 1993
Internal-reforming fuel cells and power stations using the same
HITACHI LTD63 citations95
US4407905AOct 4, 1983
Fuel cell
HITACHI LTD52 citations95
US5346777ASep 13, 1994
Chemical reaction installation
HITACHI LTD22 citations92
US4555452ANov 26, 1985
Method for operating fuel cell
HITACHI LTD36 citations92
US4259415AMar 31, 1981
Primary battery
HITACHI LTD48 citations92
US4297231AOct 27, 1981
Process for producing a positive electrode for a non-aqueous electrolytic cell
HITACHI LTD30 citations90
US7091625B2Aug 15, 2006
Home-use fuel cell system
HITACHI LTD38 citations89
US4446210AMay 1, 1984
Fuel cell electrode
HITACHI LTD23 citations81
US4324828AApr 13, 1982
Structure of positive plate of enclosed type battery
HITACHI LTD20 citations81
US4643957AFeb 17, 1987
Fuel cell
HITACHI LTD8 citations73
US4623415ANov 18, 1986
Method of making fuel cell
HITACHI LTD15 citations73
US4529671AJul 16, 1985
Fuel cell
HITACHI LTD5 citations73
US4902587AFeb 20, 1990
Fuel cell
HITACHI LTD11 citations70
US5213909AMay 25, 1993
Insulated fuel cell
HITACHI LTD7 citations69
US4493879AJan 15, 1985
Fuel cell
HITACHI LTD4 citations62
US5676922AOct 14, 1997
Chemical reactor replacement method
HITACHI LTD0 citations51