Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8020301 | Method for manufacturing hydro dynamic bearing device | Kazuto Shimizu, Kimihiko Bitou, Nao Ishiyama, Nobuyoshi Yamashita | 2011-09-20 |
| 7941926 | Apparatus for manufacturing hydro dynamic bearing device method | Kazuto Shimizu, Kimihiko Bitou, Nao Ishiyama, Nobuyoshi Yamashita | 2011-05-17 |