Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362495 | Extrusion device for forming a honeycomb structure | Junichiro Naito, Zituo Suzuki, Mitsuru Asano | 1982-12-07 |
| 4354820 | Extrusion die and method for producing extrusion die for forming a honeycomb structure | Toshihiko Ito | 1982-10-19 |
| 4349329 | Extrusion device for producing honeycomb structures | Junichiro Naito, Jitsuo Suzuki, Mitsuru Asano | 1982-09-14 |