Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11549408 | Iron-based sintered alloy valve seat for internal combustion engine | Ayato OIKAWA, Katsuaki Ogawa, Hiroshi Oshige, Kenichi Sato | 2023-01-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11549408 | Iron-based sintered alloy valve seat for internal combustion engine | Ayato OIKAWA, Katsuaki Ogawa, Hiroshi Oshige, Kenichi Sato | 2023-01-10 |