Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5248255 | Continuous kiln | Toshimichi Morioka, Yaushisa Hirano, Masataka Matsuo, Kazuyoshi Kurayoshi, Akio Ishii | 1993-09-28 |
| 4963517 | Sintered ceramic body with excellent refractories (heat resistance) and machinability and method of manufacture of the same | Kazumasa Goto, Hiroto Shin, Hideki Ishida, Yasuo Goto | 1990-10-16 |