Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12371366 | Glass material | Naoki Fujita | 2025-07-29 |
| 8871664 | Refractory filler, sealing material using same, and manufacturing method for refractory filler | Hiroyuki Okamura, Nobutoshi ITO | 2014-10-28 |