Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6525260 | Thermoelectric conversion material, and method for manufacturing same | Osamu Yamashita, Nobuhiro Sadatomi | 2003-02-25 |
| 6506321 | Silicon based conductive material and process for production thereof | Osamu Yamashita, Nobuhiro Sadatomi, Shunichi HARUYAMA | 2003-01-14 |