YK

Yoshiaki Komma

Sumitomo Electric Industries: 1 patents #1,140 of 3,352Top 35%
Overall (2002): #86,119 of 266,432Top 35%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6400671 Optical head device Hideki Hayashi, Tatsuo Ito, Hiroaki Yamamoto, Seiji Nishino 2002-06-04