Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4678161 | Ball valve | Yoshiaki Bando, Shigenobu Kato, Katsuhiko Tanioka | 1987-07-07 |
| 4667926 | Ball valve | Shinji Takeda, Yoshiaki Bando | 1987-05-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4678161 | Ball valve | Yoshiaki Bando, Shigenobu Kato, Katsuhiko Tanioka | 1987-07-07 |
| 4667926 | Ball valve | Shinji Takeda, Yoshiaki Bando | 1987-05-26 |