Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825522 | Method of making heat resistant heavy-duty components of a turbine by superplasticity forging wherein different alloys are junctioned | Kenji Iwai, Seiya Furuta, Hiroshi Takigawa | 1989-05-02 |