KM

Keizou Matsumura

Sumitomo Electric Industries: 1 patents #1,404 of 3,885Top 40%
Overall (2003): #180,538 of 273,478Top 70%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6669900 Method of manufacturing magnesium alloy molded product, painted structure thereof, method of painting the same, and casings using the same Koji Matsunaga, Yukio Nishikawa, Naohiro Shikata, Mitsuharu Kamikawaji, Akira Takara 2003-12-30