Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6619092 | Tandem rolling mill facility and rolling method using the same | Michimasa Takagi | 2003-09-16 |
| 6583585 | Discharge lamp lighting circuit | Hitoshi Takeda, Masayasu Ito | 2003-06-24 |