Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6786713 | Honeycomb structure molding die having narrow slit grooves with recesses and protrusions | Akira Sasaki | 2004-09-07 |
| 6765174 | Method for machining grooves by a laser and honeycomb structure forming die and method for producing the same die | Yoshiyuki Horie, Akira Sasaki | 2004-07-20 |