Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6681834 | Injection method for melted metals | Toshiyasu Koda, Yuji Hayashi | 2004-01-27 |
| 6679312 | Injection molding screw for metals | Yuji Hayashi | 2004-01-20 |
| 6675867 | Injection apparatus for melted metals | Toshiyasu Koda, Yuji Hayashi | 2004-01-13 |