SY

Shin-ichi Yamada

Sumitomo Electric Industries: 2 patents #504 of 3,352Top 20%
Overall (2002): #41,492 of 266,432Top 20%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6459664 Optical disc tilt control apparatus Masayoshi Abe, Hiroyuki Yamaguchi, Kouichi Takamine, Seiji Nishiwaki 2002-10-01
6434094 Optical disk apparatus Mitsurou Moriya, Yasuaki Edahiro, Kouichi Takamine, Katsuya Watanabe 2002-08-13