HK

Hidekazu Kuromatsu

KK Kanegafuchi Kagaku Kogyo: 1 patents #368 of 691Top 55%
KA Kaneka: 1 patents #886 of 1,525Top 60%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
Overall (All Time): #2,166,327 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7011905 Solid polymer electrolyte membrane, solid polymer electrolyte fuel cell using the membrane and method of fabricating the same Shigeru Sakamoto, Hiroko Sanda, Hirosaku Nagano, Kiyoyuki Namura 2006-03-14
5626552 Method of waste disposal Takuji Nomura, Masakazu Uekita 1997-05-06