Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8166791 | Die cushion device | Kiyokazu Baba, Hiroaki Honma, Masahide Sunata, Hajime Yoshida | 2012-05-01 |
| 7958765 | Pressing machine with die cushion device | Kiyokazu Baba, Hiroaki Honma, Masahide Sunata, Hajime Yoshida | 2011-06-14 |