HN

Hirofumi Nakashima

SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #3,320,235 of 4,157,543Top 80%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7505451 Usage-based charging device and usage-based charging method Naoyoshi Hashizume, Hiroshi Tadano, Yasuhiro Yamada 2009-03-17