NS

Norihiro Sekizuka

ML Mitsubishi Petrochemical Company Limited: 1 patents #291 of 670Top 45%
NC Nippon Kokan Co.: 1 patents #290 of 735Top 40%
Overall (All Time): #3,950,812 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4740427 Vibration-damping composite metal plate Masahide Ochiumi, Shinji Horie, Yukichi Watanabe, Akira Itsubo 1988-04-26