KA

Kenji Araki

NC Nippon Kokan Co.: 1 patents #11 of 72Top 20%
NL Nippon Mining Company Limited: 1 patents #2 of 24Top 9%
Overall (1982): #49,280 of 81,411Top 65%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4325752 Method for making shadow masks Toyoharu Suda, Katsuhiko Tayama, Masayuki Kurata, Hideo Yamana 1982-04-20