Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6647648 | Method of manufacturing a bucket tooth | Kazuhide Okawa | 2003-11-18 |
| 6571493 | Cutting edge | Takanori Nagata, Kazuhide Okawa | 2003-06-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6647648 | Method of manufacturing a bucket tooth | Kazuhide Okawa | 2003-11-18 |
| 6571493 | Cutting edge | Takanori Nagata, Kazuhide Okawa | 2003-06-03 |