Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10381904 | Friction stir welding of a solder coated strand coil to a solid coil | Ryosuke Umezu, Yasuaki Kageyama, Seunghwan Park, Satoshi Hirano | 2019-08-13 |
| 9570965 | Rotor coil for armature of rotating machine and production method thereof | Ryosuke Umezu, Yasuaki Kageyama, Seunghwan Park, Satoshi Hirano | 2017-02-14 |
| 7728473 | Electric rotating machine and manufacturing method of the same | Akitomi Semba, Fumihiko Goto | 2010-06-01 |
| 7521829 | Electric rotating machine and manufacturing method of the same | Akitomi Semba, Fumihiko Goto | 2009-04-21 |
| 7432628 | Generator and method of manufacturing same | Toshio Miyatake | 2008-10-07 |