Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10618099 | Sizing die for densifying surface of sintered body, production method using same, and product obtained therefrom | Takashi Nakai | 2020-04-14 |
| 9844811 | Raw material powder for powder metallurgy | Takashi Nakai | 2017-12-19 |
| 8795586 | Method of producing powder sintered product | Takashi Nakai | 2014-08-05 |
| 8153053 | Method for forming compact from powder and sintered product | Takashi Nakai | 2012-04-10 |
| 7585165 | Powder molding die apparatus and method of molding for obtaining powder molding product | Takashi Nakai | 2009-09-08 |
| 7582255 | Warm molding raw material powder and warm molding method | Takashi Nakai | 2009-09-01 |
| 7578866 | Iron-based sintered alloy having excellent machinability | Yoshinari Ishii | 2009-08-25 |
| 6641779 | Fe-based sintered valve seat having high strength and method for producing the same | Koichiro Morimoto | 2003-11-04 |
| 6464749 | Fe-based sintered valve seat having high strength and method for producing the same | Koichiro Morimoto | 2002-10-15 |