NT

Norio Tsunematsu

DC Dainippon Ink And Chemicals: 2 patents #241 of 1,002Top 25%
Overall (All Time): #2,200,270 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6537423 Optical disk production device Shoei Ebisawa, Kiyoshi Oshima, Daisuke Ito 2003-03-25
6406770 Optical disk and method of manufacturing optical disk Shoei Ebisawa, Daisuke Ito, Kiyoshi Oshima, Keiichi Hashimoto 2002-06-18