Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6666259 | Method for manufacturing mold for hot-runner injection molding machine | Itsuo Shibata, Ryoichi Sekiguchi | 2003-12-23 |
| 6533021 | Mold for hot-runner injection molding machine and method for manufacturing the same | Itsuo Shibata, Ryoichi Sekiguchi | 2003-03-18 |