AK

Atsuhiro Kumagai

SO Sony: 2 patents #667 of 4,065Top 20%
Overall (2011): #111,415 of 364,097Top 35%
2
Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D646222 Battery Shouji Tatehata, Osamu Nagashima 2011-10-04
D635512 Battery Shouji Tatehata, Osamu Nagashima 2011-04-05