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Otoo Yamada

ND Nitto Denko: 2 patents #1,207 of 2,479Top 50%
Overall (All Time): #2,079,968 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8563194 Electrolyte membrane for polymer electrolyte fuel cell and method of manufacturing the same Hiroyuki Nishii, Tooru Sugitani, Sakura Toshikawa 2013-10-22
8304135 Proton-conductive polymer electrolyte membrane, method of manufacturing the proton-conductive polymer electrolyte membrane, and membrane-electrode assembly and polymer electrolyte fuel cell using the proton-conductive polymer electrolyte membrane Tooru Sugitani, Hiroyuki Nishii, Sakura Toshikawa 2012-11-06