Issued Patents 2004
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6825811 | Display-antenna integral structure and communication apparatus | Hiroshi Iwai, Atsushi Yamamoto, Hiroaki Kosugi, Kenichi Yamada | 2004-11-30 |
| 6809691 | Directivity controllable antenna and antenna unit using the same | Atsushi Yamamoto, Hiroshi Iwai | 2004-10-26 |
| 6806835 | Antenna structure, method of using antenna structure and communication device | Hiroshi Iwai, Atsushi Yamamoto, Kenichi Yamada, Toshihiro Asahina, Shinji Kamaeguchi | 2004-10-19 |
| 6806836 | Helical antenna apparatus provided with two helical antenna elements, and radio communication apparatus provided with same helical antenna apparatus | Hiroshi Iwai, Yoshio Koyanagi | 2004-10-19 |
| D491557 | Antenna | Hiroshi Iwai | 2004-06-15 |
| D490801 | Antenna | Hiroshi Iwai | 2004-06-01 |
| D490401 | Antenna | Hiroshi Iwai | 2004-05-25 |
| 6731920 | Portable telephone apparatus and control method thereof | Hiroshi Iwai, Kenichi Yamada, Yoshio Koyanagi | 2004-05-04 |
| 6716385 | Ethylene (co) polymers, and laminate and hollow molding made by using the same | Haruhiko Kondou, Kei Takahashi, Daizo Tabuchi, Satoshi Kanazawa | 2004-04-06 |
| 6680712 | Antenna having a conductive case with an opening | Atsushi Yamamoto, Hiroshi Iwai | 2004-01-20 |