Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10815155 | High-zirconia electrocast refractory and method for manufacturing the same | Nobuo Tomura | 2020-10-27 |
| 4325629 | Image forming method and apparatus therefor | Takashi Ogata, Makoto Gonmori | 1982-04-20 |