Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6426725 | Antenna device and communication device | Hideyuki Kato | 2002-07-30 |
| 6420942 | Dielectric filter, dielectric duplexer, and communication apparatus | Katsuhito Kuroda, Shohachi Nishijima, Hideyuki Kato, Haruo Matsumoto | 2002-07-16 |
| 6411177 | Dielectric filter, dielectric duplexer, and communication apparatus | Hitoshi Tada, Hideyuki Kato | 2002-06-25 |
| 6380824 | Dielectric filter, composite dielectric filter, duplexer, and communication apparatus | Shohachi Nishijima, Hideyuki Kato | 2002-04-30 |
| 6356169 | Band pass filter, antenna duplexer, and communication apparatus | Jun Toda, Hideyuki Kato | 2002-03-12 |
| 6313797 | Dielectric antenna including filter, dielectric antenna including duplexer, and radio apparatus | Junichi Kurita, Hideyuki Kato, Yuichi Kushihi, Jinsei Ishihara, Haruo Matsumoto | 2001-11-06 |
| 6304158 | Dielectric filter, composite dielectric filter, antenna duplexer, and communication apparatus | Shohachi Nishijima, Hideyuki Kato, Haruo Matsumoto | 2001-10-16 |
| 6281768 | Dielectric filter, duplexer, and communication apparatus | Hitoshi Tada, Hideyuki Kato | 2001-08-28 |
| 4800347 | Dielectric filter | Tadahiro Yorita | 1989-01-24 |