Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7002071 | Thermoelectric conversion material and method of producing the same | Nobuhiro Sadatomi, Osamu Yamashita, Masao Noumi | 2006-02-21 |
| 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 |
| 6444049 | Method for producing high silicon steel, and silicon steel | Osamu Yamashita, Ken Makita, Masao Noumi | 2002-09-03 |
| 5662943 | Fabrication methods and equipment for granulated powders | Osamu Yamashita, Seiichi Kohara, Hirokazu Kitayama, Hiroshi Hashikawa | 1997-09-02 |
| 5575830 | Fabrication methods and equipment for granulated powders | Osamu Yamashita, Seiichi Kohara, Hirokazu Kitayama, Hiroshi Hashikawa | 1996-11-19 |
| 5427734 | Process for preparing R-Fe-B type sintered magnets employing the injection molding method | Osamu Yamashita, Masahiro Asano | 1995-06-27 |