Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4732032 | Die crowning apparatus for press brake | — | 1988-03-22 |
| 4672831 | Bending press | Yuji Tsuchiyama, Tadashi Amano, Hideaki Takahashi, Katsuji Sekita, Ichio Akami | 1987-06-16 |
| 4656862 | Press machine | Yuji Tsuchiyama, Tadashi Amano, Hideaki Takahashi, Katsuji Sekita, Ichio Akami | 1987-04-14 |
| 4608852 | Press machine | Yuji Tsuchiyama, Tadashi Amano, Hideaki Takahashi, Katsuji Sekita, Ichio Akami | 1986-09-02 |
| 4486841 | Bending press | Katsumi Koyama, Shigenori Kojima, Naoaki Itano, Yoshihiko Ohashi | 1984-12-04 |