Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7489063 | Thin film piezoelectric bulk acoustic wave resonator and radio frequency filter using the same | Atsushi Isobe, Hisanori Matsumoto, Nobuhiko Shibagaki | 2009-02-10 |
| 7408287 | Film bulk acoustic wave resonator, film bulk acoustic wave resonator filter and method of manufacturing film bulk acoustic wave resonator | Hisanori Matsumoto, Atsushi Isobe, Mitsutaka Hikita | 2008-08-05 |
| 7242273 | RF-MEMS switch and its fabrication method | Atsushi Isobe, Akihisa Terano, Hiroyuki Uchiyama, Hisanori Matsumoto | 2007-07-10 |
| 7221242 | Bulk acoustic wave resonator and manufacturing method thereof, filter using the same, semiconductor integrated circuit device using the same, and high frequency module using the same | Hisanori Matsumoto, Atsushi Isobe, Mitsutaka Hikita | 2007-05-22 |
| 6346761 | Surface acoustic wave device capable of suppressing spurious response due to non-harmonic higher-order modes | Atsushi Isobe, Mitsutaka Hikita, Atsushi Sumioka | 2002-02-12 |
| 5814917 | Surface acoustic wave equipment | Atsushi Isobe, Mitsutaka Hikita, Chisaki Takubo | 1998-09-29 |
| 5604059 | Mask structure having phase shifting pattern suitable for forming fine pattern on photosensitive film and method of manufacturing solid-state devices using such mask structure | Ryo Imura, Yoshinori Hoshina, Mitsutaka Hikita, Atsushi Isobe, Ryo Suzuki +2 more | 1997-02-18 |