Issued Patents 1989
Showing 1–2 of 2 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, Nobuyasu Kawai | 1989-05-02 |
| 4795907 | Infrared detector | Tohru Maekawa, Satoshi Ueda, Tetsuya Kochi, Junjiro Goto | 1989-01-03 |