Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7997953 | Precision machining method | Sumio Kamiya, Hisao Iwase, Hiroshi Eda, Libo Zhou | 2011-08-16 |
| 7950981 | Precision machining apparatus and precision machining method | Sumio Kamiya, Hisao Iwase, Hiroshi Eda, Libo Zhou | 2011-05-31 |