Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860568 | Tubular material drawing apparatus for manufacturing precision tube | Yukio Yamanoi, Masahiro Iwata, Kazumi Kato | 1989-08-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860568 | Tubular material drawing apparatus for manufacturing precision tube | Yukio Yamanoi, Masahiro Iwata, Kazumi Kato | 1989-08-29 |