TY

Takehiko Yamakawa

PA Panasonic: 3 patents #512 of 4,214Top 15%
Overall (2011): #34,371 of 364,097Top 10%
3
Patents 2011

Issued Patents 2011

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8022794 Micromachine switch, filter circuit, duplexer circuit, and communication device Hiroshi Nakatsuka, Keiji Onishi 2011-09-20
7986198 Frequency-variable acoustic thin film resonator, filter and communication apparatus using the same Hiroshi Nakatsuka, Keiji Onishi 2011-07-26
7893793 Film bulk acoustic wave resonator and method for manufacturing the same Tomohiro Iwasaki, Keiji Onishi, Hiroshi Nakatsuka, Tomohide Kamiyama 2011-02-22