Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5002255 | Non-sliding gate valve for high vacuum use | Toshio Sawa, Norikimi Irie, Yuzo Hayashi | 1991-03-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5002255 | Non-sliding gate valve for high vacuum use | Toshio Sawa, Norikimi Irie, Yuzo Hayashi | 1991-03-26 |