Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6822620 | Helical antenna and communication apparatus | Kazuo Watada, Hiroshi Yoshizaki, Akinori Sato | 2004-11-23 |
| 6806832 | Surface-mount type antenna and antenna apparatus | Akinori Sato, Takanori Ikuta, Kazuo Watada | 2004-10-19 |