Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845059 | Process for producing .alpha.-Sialon powder | Tetsuo Nakayasu | 1989-07-04 |
| 4812298 | Method for producing sialon powders | Teturo Kunisawa, Takuji Takahashi | 1989-03-14 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845059 | Process for producing .alpha.-Sialon powder | Tetsuo Nakayasu | 1989-07-04 |
| 4812298 | Method for producing sialon powders | Teturo Kunisawa, Takuji Takahashi | 1989-03-14 |