YK

Yoshiaki Kumagai

SO Sony: 1 patents #734 of 2,234Top 35%
Overall (2002): #86,065 of 266,432Top 35%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D452889 Toy Kozo Kawakita, Takeshi Yamagishi, Hiroshi Osawa, Kazuhiro Kato, Shuichi Kobayashi +2 more 2002-01-08