Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849168 | Ti-Al intermetallics containing boron for enhanced ductility | Takuya Miyashita, Toshiharu Noda, Susumu Isobe | 1989-07-18 |
| 4834036 | Composite valve for reciprocating engines and method for manufacturing the same | Junzo Fujioka, Haruki Hino, Takuya Miyashita | 1989-05-30 |