Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5026671 | Sintered silicon nitride and method for making the same | Shigeru Hanzawa, Hiroto Matsuda | 1991-06-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5026671 | Sintered silicon nitride and method for making the same | Shigeru Hanzawa, Hiroto Matsuda | 1991-06-25 |