MW

Masaji Watanabe

NC Nippon Kokan Co.: 1 patents #290 of 735Top 40%
NL Nippon Mining Company Limited: 1 patents #97 of 262Top 40%
Overall (All Time): #4,028,426 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4427460 Method of making material for shadow masks Kenji Araki, Masashi Kurata, Hideo Yamana, Toyoharu Suda, Katuhiko Tayama 1984-01-24