Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6752451 | Strengthening member for automobile | Shinya Sakamoto, Yoshio Terada, Yukihisa Kuriyama, Hiroshi Sakurai, Eizaburou Nakanishi | 2004-06-22 |
| 5704243 | Forming method and forming stand for welded pipes | Kenji Hada, Yasuo Kimiya | 1998-01-06 |
| 5213633 | Electric resistance welded steel tube for machine structural use exhibiting outstanding machinability | Kenji Hada, Yasuo Kimiya | 1993-05-25 |