Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362495 | Extrusion device for forming a honeycomb structure | Shinichi Yamamoto, Zituo Suzuki, Mitsuru Asano | 1982-12-07 |
| 4349329 | Extrusion device for producing honeycomb structures | Shinichi Yamamoto, Jitsuo Suzuki, Mitsuru Asano | 1982-09-14 |