Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6877216 | Heat-sealing machine, heat-sealing method, embossing method, work pressing machine and workpiece | Jun Fukuda, Masataka Okushita, Kazuki Yamada, Rikiya Yamashita | 2005-04-12 |
| 6841298 | Battery, tab of battery and method of manufacture thereof | Rikiya Yamashita, Kazuki Yamada, Masataka Okushita | 2005-01-11 |