Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6115592 | Filter device and dual-band radio system in which the filter device is used | Masanori Ueda, Osamu Ikata, Hideki Ohmori, Yoshiro Fujiwara | 2000-09-05 |
| 5914646 | Surface acoustic wave filter with larger driving electrode areas in some parallel resonators, and packaging thereof | — | 1999-06-22 |
| 5786738 | Surface acoustic wave filter duplexer comprising a multi-layer package and phase matching patterns | Osamu Ikata, Nobuo Hirasawa, Masanori Ueda, Yoshio Satoh | 1998-07-28 |
| 4978879 | Acoustic surface wave element | Kiyoshi Satoh, Yoshiro Fujiwara | 1990-12-18 |