Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7673487 | Method for forming hollow shaft with a flange and product with hollow shaft formed by the same | — | 2010-03-09 |
| 6970065 | Transformer and transformer unit having the same | Shinichi Sakai, Keiichi Satou, Kenji Yasui, Haruo Suenaga, Hisashi Morikawa +1 more | 2005-11-29 |