Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6554594 | Shaft seal structure for vacuum pump | Shinya Yamamoto, Yoshinari Suzuki, Masahiro Kawaguchi | 2003-04-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6554594 | Shaft seal structure for vacuum pump | Shinya Yamamoto, Yoshinari Suzuki, Masahiro Kawaguchi | 2003-04-29 |