Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9321195 | Method and device for producing a pipe member | Masao Motonaga, Naoya Mieda | 2016-04-26 |
| 6932936 | Manufacturing method for double tube having a hole formed therein, and mold for implementation thereof | — | 2005-08-23 |