Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6843817 | Ceramic filter and filter device | Kanji Yamada | 2005-01-18 |
| 6837911 | Ceramic-made filter and process for production thereof | Kanji Yamada, Yoshiyuki Kasai | 2005-01-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6843817 | Ceramic filter and filter device | Kanji Yamada | 2005-01-18 |
| 6837911 | Ceramic-made filter and process for production thereof | Kanji Yamada, Yoshiyuki Kasai | 2005-01-04 |