The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 27, 2011
Filed:
Jan. 30, 2009
Masanori Ueda, Kawasaki, JP;
Motoaki Hara, Kawasaki, JP;
Shogo Inoue, Kawasaki, JP;
Kenya Hashimoto, Chiba, JP;
Yasutomo Tanaka, Chiba, JP;
Masatsune Yamaguchi, Chiba, JP;
Tatsuya Omori, Chiba, JP;
Masanori Ueda, Kawasaki, JP;
Motoaki Hara, Kawasaki, JP;
Shogo Inoue, Kawasaki, JP;
Kenya Hashimoto, Chiba, JP;
Yasutomo Tanaka, Chiba, JP;
Masatsune Yamaguchi, Chiba, JP;
Tatsuya Omori, Chiba, JP;
Taiyo Yuden Co., Ltd., Tokyo, JP;
Abstract
An acoustic wave device includes a ladder-type filter in which resonators are connected in a ladder configuration. In the acoustic wave device, series-connected resonators are connected in a parallel line in the ladder-type filter, and the resonators connected in the parallel line have mutually different resonance frequencies.