Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4963441 | Light-storing glazes and light-storing fluorescent ceramic articles | Ryuzo Takai | 1990-10-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4963441 | Light-storing glazes and light-storing fluorescent ceramic articles | Ryuzo Takai | 1990-10-16 |