Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7579931 | Surface acoustic wave filter element, surface acoustic wave filter and communication device using the same | Hiroyuki Nakamura, Keiji Onishi, Shigeru Tsuzuki | 2009-08-25 |
| 7482895 | Surface acoustic wave filter | Tsutomu Igaki, Kazuo Ikeda | 2009-01-27 |
| 7075391 | Surface acoustic wave filter element, surface acoustic wave filter and communication device using the same | Hiroyuki Nakamura, Keiji Onishi, Shigeru Tsuzuki | 2006-07-11 |
| 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 |
| 6674345 | Surface acoustic wave filter and communication device using the filter | Hiroyuki Nakamura, Kazunori Nishimura | 2004-01-06 |