Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831862 | Multistep bending machine | Yoshihiko Ohashi, Tadahiko Nagasawa | 1989-05-23 |
| 4803372 | Line position detecting apparatus for detecting a V-shaped indent | Tadashi Hirata, Hideaki Takahashi, Yasuhiro Harashima, Michio Kitahara, Katsuyuki Igarashi +3 more | 1989-02-07 |