Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4805874 | Valve casing for use in a butterfly valve | Hiroshi Horii, Kenji Ikoma | 1989-02-21 |
| 4669499 | Valve casing for use in a butterfly valve | Hiroshi Horii, Kenji Ikoma | 1987-06-02 |