Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672313 | Method of manufacturing powder molding and powder feeder | Ryuji Shiga, Yoshinobu Takeda | 1997-09-30 |
| 5605558 | Nitrogenous aluminum-silicon powder metallurgical alloy | Shin-ichi Yamagata, Tetsuya Hayashi, Yugaku Abe | 1997-02-25 |