Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4604254 | Butterfly valve | Masahiko Yamamoto, Yoshinori Nishino, Tadayoshi Uda, Yoshiteru Sonoda | 1986-08-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4604254 | Butterfly valve | Masahiko Yamamoto, Yoshinori Nishino, Tadayoshi Uda, Yoshiteru Sonoda | 1986-08-05 |