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Norio Ao

NC Nkk Co.: 3 patents #209 of 1,173Top 20%
JP Jp Steel Plantech: 2 patents #4 of 40Top 10%
Overall (All Time): #1,038,953 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6693948 Apparatus for arc-melting cold iron source and method thereof Hideaki Mizukami, Ryuji Yamaguchi, Takashi Nakayama, Teruo Tatefuku, Toshimichi Maki +2 more 2004-02-17
6597722 Apparatus for arc-melting cold iron source and method thereof Hideaki Mizukami, Ryuji Yamaguchi, Toshimichi Maki 2003-07-22
5535235 Melting furnace having preheating vessel Hirotsugu Kubo 1996-07-09
5155740 Flicker compensating apparatus for DC arc furnace Kazuhiko Mori 1992-10-13
5033534 Method for continuous casting of steel Mikio Suzuki, Toru Kitagawa, Shinobu Miyahara, Akio Nagamune, Yoshiyuki Kanao +1 more 1991-07-23