Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838936 | Forged aluminum alloy spiral parts and method of fabrication thereof | — | 1989-06-13 |
| 4830820 | Method for producing material for semiconductor device | Yoshiaki Itoh, Yusuke Odani, Nobuhito Kuroishi | 1989-05-16 |
| 4818308 | Aluminum alloy and method for producing the same | Yusuke Odani, Nobuhito Kuroishi | 1989-04-04 |