KM

Keizou Matsumura

PA Panasonic: 2 patents #9,678 of 21,108Top 50%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #1,474,134 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9903996 Light guide plate display device Atsushi Fukui, Takayuki Yamaguchi 2018-02-27
8668862 Resin molding method, die device, and resin molded article Taishi Maruichi 2014-03-11
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