Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7274273 | Dielectric resonator device, dielectric filter, duplexer, and high-frequency communication apparatus | Shigeyuki Mikami, Yutaka Sasaki, Toshiro Hiratsuka | 2007-09-25 |
| 6809615 | Band-pass filter and communication apparatus | Tomiya Sonoda, Toshiro Hiratsuka, Yutaka Sasaki, Kiyoshi Kanagawa | 2004-10-26 |
| 5046109 | Pattern inspection apparatus | Yoshihiko Fujimori | 1991-09-03 |