Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6688863 | Oil leak prevention structure of vacuum pump | Nobuaki Hoshino, Masahiro Kawaguchi, Shinya Yamamoto | 2004-02-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6688863 | Oil leak prevention structure of vacuum pump | Nobuaki Hoshino, Masahiro Kawaguchi, Shinya Yamamoto | 2004-02-10 |