Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6978161 | Self-rechargeable portable telephone device with electricity generated by movements made in any direction | Yu-Ta Tu | 2005-12-20 |
| 6936937 | Linear electric generator having an improved magnet and coil structure, and method of manufacture | Yu-Ta Tu | 2005-08-30 |
| 6915145 | Self-rechargeable portable telephone | Yu-Ta Tu | 2005-07-05 |