SH

Sei Hiraki

SI Sumitomo Metal Industries: 9 patents #34 of 1,462Top 3%
TC Toshiba Ceramics Co.: 3 patents #54 of 458Top 15%
Overall (All Time): #579,764 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
8191611 Method for continuous casting of steel and electromagnetic stirrer to be used therefor Nobuhiro Okada, Kouji Takatani, Akihiro Yamanaka, Hidetoshi Suwa 2012-06-05
8033319 Method for continuous casting of steel and electromagnetic stirrer to be used therefor Nobuhiro Okada, Kouji Takatani, Akihiro Yamanaka, Hidetoshi Suwa 2011-10-11
7247211 Method of manufacture of ultra-low carbon steel Syuji Nakai, Tatsuo Kanai, Yoshihiko Higuchi 2007-07-24
7086450 Continuous casting method, continuous casting apparatus and continuously cast steel slab Akihiro Yamanaka, Toshihiko Murakami, Seiji Kumakura 2006-08-08
6726782 Ultra-low carbon steel sheet Syuji Nakai, Tatsuo Kanai, Yoshihiko Higuchi 2004-04-27
5992711 Integrated submerged entry nozzle and its manufacture Yoichiro Mochizuki, Tetsuro Fushimi, Etsuhiro Hasebe, Moriki Hashio, Toshihiko Murakami 1999-11-30
5961874 Flat formed submerged entry nozzle for continuous casting of steel Etsuhiro Hasebe, Tetsuro Fushimi, Tatsuya Shimoda, Yoichiro Mochizuki, Tadasu Takigawa +1 more 1999-10-05
5871040 Process for continuously casting thin slabs Sadamichi Kaseda, Kazuo Okamura, Takashi Kanazawa, Seiji Kumakura, Akihiro Yamanaka 1999-02-16
4640336 Refractory for continuous casting Kazumi Arakawa, Toshiyuki Hirao, Kenji Sugiura, Satoshi Kuroki, Takao Suzuki +1 more 1987-02-03