Issued Patents All Time
Showing 51–51 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4954171 | Composite alloy steel powder and sintered alloy steel | Shigeaki Takajo, Kuniaki Ogura, Keiichi Maruta, Teruyoshi Abe, Ichio Sakurada | 1990-09-04 |
Showing 51–51 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4954171 | Composite alloy steel powder and sintered alloy steel | Shigeaki Takajo, Kuniaki Ogura, Keiichi Maruta, Teruyoshi Abe, Ichio Sakurada | 1990-09-04 |