Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6474229 | Marking device and marking method | Yasunori Ohta, Tetsuya Kudoh | 2002-11-05 |
| 6465756 | Method and apparatus for engraving | Yasuhiro Tanaka, Shosuke Miyaki | 2002-10-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6474229 | Marking device and marking method | Yasunori Ohta, Tetsuya Kudoh | 2002-11-05 |
| 6465756 | Method and apparatus for engraving | Yasuhiro Tanaka, Shosuke Miyaki | 2002-10-15 |