Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8193989 | Antenna apparatus | Seiken Fujita, Hisamatsu Nakano, Ken Tanaka, Toshihito Umegaki | 2012-06-05 |
| 6992634 | Antenna device commonly used for two frequencies | Takeshi Hashidate | 2006-01-31 |
| 6930647 | Semicircular radial antenna | Hisamatsu Nakano, Yusuke Yamamoto | 2005-08-16 |
| 6861992 | Antenna | Kanji Kawakami, Nobuyuki Matsui, Yoshiaki Fukuda | 2005-03-01 |