Inventor
HIGASHIYAMA KAZUTOSHI
JP22 patents
⚠️ This page may combine multiple inventors who share the name “HIGASHIYAMA KAZUTOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
16 patentsUS6777248B1Aug 17, 2004
Dielectric element and manufacturing method therefor
HITACHI LTD70 citations96
US6670065B2Dec 30, 2003
Solid polymer electrolyte, a membrane using thereof, a solution for coating electrode catalyst, a membrane/electrode assembly, and a fuel cell
HITACHI LTD47 citations96
US6548342B1Apr 15, 2003
Method of producing oxide dielectric element, and memory and semiconductor device using the element
HITACHI LTD19 citations92
US5190913AMar 2, 1993
Apparatus for producing superconducting oxide film
HITACHI LTD37 citations92
US4741279AMay 3, 1988
Method of and apparatus for combusting coal-water mixture
HITACHI LTD26 citations90
US6316391B1Nov 13, 2001
Oxide superconducting wire and method of manufacturing the same
HITACHI LTD15 citations82
US6893764B2May 17, 2005
Solid polyelectrolyte, assembly of membrane and electrodes, and fuel cell
HITACHI LTD11 citations74
US6821845B1Nov 23, 2004
Semiconductor device and method for manufacturing the same
HITACHI LTD6 citations73
US5508256AApr 16, 1996
Oxide high-temperature superconducting material, method of preparing same and superconducting wires
HITACHI LTD9 citations72
US7560185B2Jul 14, 2009
Solid polymer electrolyte, a membrane using thereof, a solution for coating electrode catalyst, a membrane/electrode assembly, and a fuel cell
HITACHI LTD2 citations63
US7553574B2Jun 30, 2009
Solid polymer electrolyte, a membrane using thereof, a solution for coating electrode catalyst, a membrane/electrode assembly, and a fuel cell
HITACHI LTD1 citations63
US6964823B2Nov 15, 2005
Solid polymer electrolyte, a membrane using thereof, a solution for coating electrode catalyst, a membrane/electrode assembly, and a fuel cell
HITACHI LTD2 citations63
US5252315AOct 12, 1993
Process for producing lithium aluminate powder having large specific surface area
HITACHI LTD4 citations62
US5545610AAug 13, 1996
Oxide-based superconductor, a process for preparing the same and a wire material of comprising the same
HITACHI LTD3 citations61
US7541107B2Jun 2, 2009
Solid polyelectrolyte, assembly of membrane and electrodes, amd fuel cell
HITACHI LTD0 citations52
US7071053B2Jul 4, 2006
Method of forming capacitor with ruthenium top and bottom electrodes by MOCVD
HITACHI LTD1 citations52