Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5634999 | Method of producing ceramic diaphragm structure having convex diaphragm portion | Yukihisa Takeuchi, Tsutomu Nanataki, Hideo Masumori | 1997-06-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5634999 | Method of producing ceramic diaphragm structure having convex diaphragm portion | Yukihisa Takeuchi, Tsutomu Nanataki, Hideo Masumori | 1997-06-03 |