TO

Tetsuya Okana

Sumitomo Electric Industries: 1 patents #1,470 of 4,178Top 40%
Overall (2004): #103,056 of 270,089Top 40%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6783435 Method of manufacturing magnetic head, and magnetic recording and reproducing apparatus Shinya Ogasawara, Mitsuhisa Fujiki, Satoshi Yamabayashi 2004-08-31