Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4659323 | Method for making axial-flow filters and apparatus therefor | Tadahiko Shibata, Masahiko Sakai, Yukio Ota, Naohiko Kondo, Harukazu Matuyama | 1987-04-21 |
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4659323 | Method for making axial-flow filters and apparatus therefor | Tadahiko Shibata, Masahiko Sakai, Yukio Ota, Naohiko Kondo, Harukazu Matuyama | 1987-04-21 |