Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5240540 | Method for producing filter element | Noriya Matsumoto, Yoshihiko Oya, Hajime Akado, Yoshihiro Taki, Kazumi Nonoyama | 1993-08-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5240540 | Method for producing filter element | Noriya Matsumoto, Yoshihiko Oya, Hajime Akado, Yoshihiro Taki, Kazumi Nonoyama | 1993-08-31 |