Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670293 | Lead-frame forming material | Yasuhito Naruse, Akio Uesugi, Tsutomu Kakei, Gouichi Morohoshi | 1997-09-23 |
| 5641577 | Lead-frame forming material | Yasuhito Naruse, Akio Uesugi, Tsutomu Kakei, Gouichi Morohoshi | 1997-06-24 |