Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6720924 | Antenna apparatus | Isao Tomomatsu, Takahiro Ueno, Toshiyuki Imagawa, Minoru Oozeki | 2004-04-13 |
| 6686406 | Dielectric ceramic, resin-ceramic composite material, electrical part and antenna, and manufacturing method thereof | Isao Tomomatsu | 2004-02-03 |