Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6633209 | Filter | Masayuki Mizuno | 2003-10-14 |
| 6608533 | Matching circuit chip, filter with matching circuit, duplexer and cellular phone | Toru Yamada, Naoki Yuda, Toshio Ishizaki, Hideaki Nakakubo, Makoto Fujikawa | 2003-08-19 |
| 6608534 | Matching circuit chip, filter with matching circuit, duplexer and cellular phone | Toru Yamada, Naoki Yuda, Toshio Ishizaki, Hideaki Nakakubo, Makoto Fujikawa | 2003-08-19 |
| 6577208 | Radio frequency filter | Masaaki Katsumata, Masayuki Mizuno | 2003-06-10 |
| 6529096 | Dielectric filter, antenna duplexer, and communications appliance | Tomoya Maekawa, Hiroshi Shigemura, Toru Yamada, Toshio Ishizaki, Hideaki Nakakubo | 2003-03-04 |