Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7322496 | Brick body for rotary nozzle | Tomohiro Yotabunn, Tsuyoshi Mizuno, Tsuneo Kondo, Hisao Inubushi | 2008-01-29 |
| 6316106 | Filler sand for a ladle tap hole valve | Manabu Tano, Takeshi Ishii, Shinichi Akai, Akira Shirayama, Hirohisa Nakashima | 2001-11-13 |
| 6051514 | Sliding nozzle filler | Jun Ayama, Akira Ohashi, Manabu Tano, Akira Shirayama, Hirohisa Nakashima | 2000-04-18 |
| 4949776 | Molten metal pouring nozzle for continuous casting machine having endless-travelling type mold | Akichika Ozeki, Masami KOMATSU, Masayuki Nakada, Hisahiko Fukase | 1990-08-21 |