Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5662863 | Process for producing structural member of aluminum alloy | Kenji Okamoto, Hiroyuki Horimura | 1997-09-02 |
| 5658366 | Heat- and abrasion-resistant aluminum alloy and retainer and valve lifter formed therefrom | Kenji Okamoto, Hiroyuki Horimura, Kensuke Honma | 1997-08-19 |