KD

Keiko Densho

SO Sony: 1 patents #1,440 of 4,065Top 40%
Overall (2011): #247,452 of 364,097Top 70%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D637180 Earphone Yosuke Shimizu, Naoki Sugiyama, Sohei Kitayama, So Morimoto, Naoto Shimizu 2011-05-03