Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8203067 | Thermoelectric transportation material containing nitrogen | Shigeo Yamaguchi, Atsushi Yamamoto | 2012-06-19 |
| 7521629 | Thermoelectric transportation material containing nitrogen | Shigeo Yamaguchi, Atsushi Yamamoto | 2009-04-21 |