Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6720517 | Resistance welding head and resistance welding apparatus and method using the head | Shigeru Kato | 2004-04-13 |
| 6703517 | Method for preparing N-long chain acyl neutral amino acid | Nobuyoshi Kitamura, Naoya Yamato, Hirofumi Yokota | 2004-03-09 |