TU

Tetsuji Umebara

KO Kasei Optonix: 1 patents #58 of 142Top 45%
MC Mitsubishi Chemical: 1 patents #1,511 of 3,022Top 50%
Overall (All Time): #3,474,432 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6712993 Phosphor and its production process Naoto Kijima, Yasuo Shimomura, Ilgnatius Wuled Lenggoro, Kikuo Okuyama 2004-03-30