Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7842633 | High-resistance high-zirconia cast refractory material | Nobuo Tomura, Yasuo Misu | 2010-11-30 |
| 5733830 | Beta-alumina electrocast refractories | Kimio Hirata, Shozo Seo | 1998-03-31 |
| 5679612 | High-zirconia fused refractories | Kimio Hirata, Shinji Tsuchiya, Shozo Seo | 1997-10-21 |
| 5403793 | Method of producing a ceramic shape and that ceramic shape | Shinji Tsuchiya, Kimio Hirata, Akira Itoh, Yoshizo Orimo | 1995-04-04 |
| 5322650 | Method and apparatus for producing fibers | Haruo Kawashima, Kimio Hirata, Yasuo Misu, Akira Itoh | 1994-06-21 |
| 4943398 | Method for manufacturing a fused cast refractory | Haruo Kawashima, Kimio Hirata, Yasuo Saito, Takao Uchiya, Hideo Yanagi | 1990-07-24 |