Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4282173 | Method for manufacturing refractory material having numerous through pores extending in a certain direction | Tsunemi Ochiai, Goro Saiki, Teruo Shimao, Shizuo Nakanishi, Takeo Saeki | 1981-08-04 |