Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4387680 | Mechanism for stopping valve operation | Akira Takahashi, Katsuyuki Tsuji | 1983-06-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4387680 | Mechanism for stopping valve operation | Akira Takahashi, Katsuyuki Tsuji | 1983-06-14 |