Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6521556 | Negative thermal expansion glass ceramic | Naoyuki Goto | 2003-02-18 |
| 6506699 | Negative thermal expansion glass ceramic and method for producing the same | Naoyuki Goto | 2003-01-14 |