Issued Patents All Time
Showing 51–62 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6801100 | Inter-digital transducer, surface acoustic wave filter and communication apparatus using the same | Hiroyuki Nakamura, Toru Yamada, Toshio Ishizaki, Narihiro Mita | 2004-10-05 |
| 6710683 | Surface acoustic wave filter and communications apparatus using the same | Hiroyuki Nakamura, Toru Yamada, Tsutomu Igaki, Shigeru Tsuzuki, Ken Matsunami +1 more | 2004-03-23 |
| 6683515 | Surface-acoustic-wave filter providing outputs with different delay times and communications unit | Hiroyuki Nakamura, Kenji Monma, Toru Yamada | 2004-01-27 |
| 6674345 | Surface acoustic wave filter and communication device using the filter | Hiroyuki Nakamura, Akio Tsunekawa | 2004-01-06 |
| 6650206 | Surface acoustic wave filter and communication apparatus with the same | Hiroyuki Nakamura, Toru Yamada, Shigeru Tsuzuki | 2003-11-18 |
| 6476691 | Surface acoustic wave filter | Shigeru Tsuzuki, Tsutomu Igaki, Ken Matsunami, Hiroyuki Nakamura, Toru Yamada | 2002-11-05 |
| 6469598 | SAW filter with unidirectional transducer and communication apparatus using the same | Shigeru Tsuzuki, Tsutomu Igaki, Ken Matsunami | 2002-10-22 |
| 6351196 | Surface acoustic wave filter and multistage surface acoustic wave filter | Hiroyuki Nakamura, Toru Yamada, Toshio Ishizaki | 2002-02-26 |
| 6348845 | Surface acoustic wave filter and multistage surface acoustic wave filter | Hiroyuki Nakamura, Toru Yamada, Toshio Ishizaki | 2002-02-19 |
| 5990762 | Surface acoustic wave filter and multistage filter with multiple inside busbar lead-out electrodes | Hiroyuki Nakamura, Toru Yamada, Toshio Ishizaki | 1999-11-23 |
| 5932950 | Surface acoustic wave filter | Toru Yamada, Toshio Ishizaki, Kozo Murakami | 1999-08-03 |
| 5581141 | Surface acoustic wave filter | Toru Yamada, Toshio Ishizaki, Kozo Murakami | 1996-12-03 |