Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5925974 | Piezoelectric component | Takashi Yamamoto, Shigemasa Kusabiraki, Toshihiko Unami, Hirohide Yoshino | 1999-07-20 |
| 5900790 | Piezoelectric resonator, manufacturing method therefor, and electronic component using the piezoelectric resonator | Toshihiko Unami, Toshiyuki Baba, Shigemasa Kusabiraki, Hirohide Yoshino, Jiro Inoue | 1999-05-04 |
| 5844452 | Piezoelectric ladder filter utilizing resonator with electrodes on opposite side edges | Takashi Yamamoto | 1998-12-01 |
| 5825262 | Ladder filter with piezoelectric resonators each having a plurality of layers with internal electrodes | Jiro Inoue, Toshihiko Unami | 1998-10-20 |
| 5801603 | Ladder-type filter comprising stacked piezoelectric resonators | Takashi Yamamoto | 1998-09-01 |