Issued Patents 2024
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12000507 | Pipe, spool forming die, and pipe manufacturing method | Daisuke Izumikawa, Masahito Hosoi, Takashi Sumiya | 2024-06-04 |
| 11904372 | Method for forming spool in pipe and manufacturing apparatus for forming spool in pipe | Daisuke Izumikawa, Atsuya Hirade | 2024-02-20 |