Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8136380 | Spline member manufacturing apparatus and manufacturing method | Masaki Nakajima, Hideyuki Nagai, Ariyoshi Terao | 2012-03-20 |
| 7698924 | Member having a chamfered through hole and manufacturing method of the same | Masaki Nakajima, Hideyuki Nagai, Ariyoshi Terao | 2010-04-20 |