Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7002071 | Thermoelectric conversion material and method of producing the same | Osamu Yamashita, Tsunekazu Saigo, Masao Noumi | 2006-02-21 |
| 6525260 | Thermoelectric conversion material, and method for manufacturing same | Osamu Yamashita, Tsunekazu Saigo | 2003-02-25 |
| 6506321 | Silicon based conductive material and process for production thereof | Osamu Yamashita, Tsunekazu Saigo, Shunichi HARUYAMA | 2003-01-14 |
| 6271460 | Thermo-electric element | Osamu Yamashita | 2001-08-07 |