KK

Keiichi Katahira

NS Nippon Steel: 4 patents #672 of 4,423Top 20%
Overall (All Time): #1,274,112 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6468467 Method and apparatus for vacuum decarburization refining of molten steel Kenichiro Miyamoto, Katsuhiko Kato, Akio Shinkai, Takayuki Kaneyasu, Shinya Kitamura +3 more 2002-10-22
6190435 Method of vacuum decarburization/refining of molten steel Kenichiro Miyamoto, Katsuhiko Kato, Akio Shinkai, Takayuki Kaneyasu, Shinya Kitamura +3 more 2001-02-20
4905753 Twin belt type casting machine Kiyomi Shio, Kaname Wada, Katsuhiro Maeda, Noriyuki Kanai, Hideyuki Takahama +1 more 1990-03-06
4854371 Twin belt type continuous casting machine Kiyomi Shio, Noriyuki Kanai 1989-08-08