Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5348919 | High-packing silicon nitride powder and method for making | Akio Otsuka, Yasuyuki Maki, Meguru Kashida | 1994-09-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5348919 | High-packing silicon nitride powder and method for making | Akio Otsuka, Yasuyuki Maki, Meguru Kashida | 1994-09-20 |