Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6804171 | Temperature difference drive unit, and electric device, timepiece and light electrical appliance having the same | Kenichi Miyazawa, Osamu Takahashi | 2004-10-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6804171 | Temperature difference drive unit, and electric device, timepiece and light electrical appliance having the same | Kenichi Miyazawa, Osamu Takahashi | 2004-10-12 |