AT

Akio Tsunekawa

Sumitomo Electric Industries: 3 patents #348 of 3,632Top 10%
Overall (2005): #27,019 of 245,428Top 15%
3
Patents 2005

Issued Patents 2005

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6972643 Surface acoustic wave filter Shunichi Seki, Shinobu Nakaya, Hiroyuki Nakamura, Toru Yamada 2005-12-06
6930570 Surface acoustic wave filter element, surface acoustic wave filter and communication device using the same Hiroyuki Nakamura, Keiji Onishi, Shigeru Tsuzuki 2005-08-16
6853269 Surface acoustic wave filter and communication device using the filter Hiroyuki Nakamura, Kazunori Nishimura 2005-02-08