Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7868718 | Balanced filter device | Hisahiro Yasuda, Makoto Inoue | 2011-01-11 |
| 7592885 | Stacked dielectric band-pass filter having a wider passband | Hideyuki Sekine | 2009-09-22 |
| 7397328 | Balanced filter device | Hisahiro Yasuda, Makoto Inoue | 2008-07-08 |
| 7355494 | Band-pass filter | — | 2008-04-08 |
| 7109829 | Filter circuit and laminate filter | Hisahiro Yasuda | 2006-09-19 |
| 6275125 | Wave filter having two or more coaxial dielectric resonators in juxtaposition | Kenji Takei, Hisahiro Yasuda, Kazuhisa Sato, Makoto Inoue, Kenji Yoshimori +1 more | 2001-08-14 |
| 6081174 | Wave filter having two or more coaxial dielectric resonators in juxtaposition | Kenji Takei, Hisahiro Yasuda, Kazuhisa Sato, Makoto Inoue, Kenji Yoshimori +1 more | 2000-06-27 |
| 4591465 | Method of producing polymeric electret element | Seizo Miyata, Shigeru Tasaka, Kazuo Saito, Iwao Seo, Kenji Nakajima | 1986-05-27 |
| 4205918 | Color balance indicating device | Tohru Kisanuki, Masami Sugiyama | 1980-06-03 |