Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6147661 | Helical coil, method of producing same and helical antenna using same | Yoshinobu Nakagawa, Susumu Inatsugu, Masaaki Yamabayashi, Kazuji Ota, Yoshiharu Abe +1 more | 2000-11-14 |