Inventor
TAMURA KOHKI
JP19 patents
⚠️ This page may combine multiple inventors who share the name “TAMURA KOHKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
17 patentsUS4810597AMar 7, 1989
Fuel cell comprising a device for detecting the concentration of methanol
HITACHI LTD120 citations95
US4493878AJan 15, 1985
Fuel element for liquid fuel cell and a liquid fuel cell
HITACHI LTD66 citations95
US4478917AOct 23, 1984
Fuel cell
HITACHI LTD103 citations95
US4407905AOct 4, 1983
Fuel cell
HITACHI LTD52 citations95
US4390603AJun 28, 1983
Methanol fuel cell
HITACHI LTD110 citations95
US4262063AApr 14, 1981
Fuel cell using electrolyte-soluble fuels
HITACHI LTD60 citations95
US4555452ANov 26, 1985
Method for operating fuel cell
HITACHI LTD36 citations92
US4550067AOct 29, 1985
Secondary battery
HITACHI LTD35 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
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
US4457987AJul 3, 1984
Liquid fuel cell
HITACHI LTD8 citations73
US4699853AOct 13, 1987
Fuel cell
HITACHI LTD12 citations72
US4436794AMar 13, 1984
Molten carbonate fuel cell
HITACHI LTD18 citations72
US4656735AApr 14, 1987
Process for producing an electrolyte retaining matrix of electrical insulating long fibers
HITACHI LTD4 citations62