Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8728966 | Aluminum oxycarbide composition, production method therefor, and refractory material | Keiichiro Akamine | 2014-05-20 |
| 8609562 | Plate brick production method and plate brick | Keiichiro Akamine, Katsumi Morikawa, Tsuneo Kayama | 2013-12-17 |
| 8465720 | Aluminum oxycarbide composition and production method therefor | Keiichiro Akamine, Katsumi Morikawa, Yoshihiko Uchida | 2013-06-18 |
| 8450228 | Refractory, method for manufacturing refractory, and refractory raw material | Katsumi Morikawa, Koichi Haren, Toshiyuki Hokii, Keisuke Asano | 2013-05-28 |
| 8093169 | High-durability sleeve bricks | Masato Tanaka, Eiichiro Hatae, Toshiyuki Hokii | 2012-01-10 |
| 7275584 | Immersion nozzle for continuous casting of steel and continuous steel casting method using same | Katsumi Morikawa, Keisuke Asano, Saeko Uchida | 2007-10-02 |