Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5223349 | Copper clad aluminum composite wire | Kazuo Yamazaki | 1993-06-29 |
| 5170015 | Wire conductors for automobiles | Kazuo Yamazaki, Fukuma Sakamoto, Kazunori Tsuji | 1992-12-08 |