Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4307199 | Process for making heat insulating firebricks | Eiji Horie, Takeo Saeki, Hideo Hisaka, Naoki Tanetani | 1981-12-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4307199 | Process for making heat insulating firebricks | Eiji Horie, Takeo Saeki, Hideo Hisaka, Naoki Tanetani | 1981-12-22 |