Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6849213 | Method for producing silicon nitride filter | Naomichi Miyakawa, Nobuhiro Shinohara, Hideo Takahashi | 2005-02-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6849213 | Method for producing silicon nitride filter | Naomichi Miyakawa, Nobuhiro Shinohara, Hideo Takahashi | 2005-02-01 |