HO

Hirofumi Okui

SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #3,418,994 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7056423 Apparatus for producing hydrogen, electrochemical device, method for producing hydrogen and method for generating electrochemical energy Ryuichiro Maruyama, Hiroshi Miyazawa, Koichiro Hinokuma 2006-06-06