Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4445981 | Method of forming colored pattern on the surface of aluminum or aluminum alloy | Tadanori Oyama, Masashi Yamashita, Kazuyuki Kzome, Tsutomu Ikeda, Satoru Fujioka | 1984-05-01 |