HS

Hiroyuki Sogawa

SO Sony: 1 patents #281 of 1,124Top 25%
Overall (1994): #124,437 of 165,921Top 75%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5276740 Earphone device Kiyofumi Inanaga, Yasuhiro Iida, Akira Kimura 1994-01-04