Inventor
NAKAGAWA KOUJI
JP5 patents
⚠️ This page may combine multiple inventors who share the name “NAKAGAWA KOUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
4 patentsUS6372373B1Apr 16, 2002
Solid polymer electrolyte fuel cell and method for producing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD54 citations96
US6210823B1Apr 3, 2001
Polymer electrolyte fuel cell
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD36 citations92
US4892418AJan 9, 1990
Hydrodynamic bearing device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD46 citations91
US6455109B1Sep 24, 2002
Electrode for fuel cell and method of producing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations73