Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5643636 | Ceramic color composition and method for producing a glass sheet | Hiroshi Usui, Tsuneo Manabe | 1997-07-01 |
| 5618764 | Colored ceramic composition and method for producing curved glass plate using the same | Hiroshi Usui, Tsuneo Manabe | 1997-04-08 |