Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5523641 | Surface acoustic wave device | Hiromi Yatsuda | 1996-06-04 |
| 5187458 | Composite longitudinal vibration mechanical filter having central frequency deviation elimination means and method of manufacturing same | Kazuo Yamashita, Masahiro Watanabe | 1993-02-16 |
| 5175519 | Surface elastic wave filter having finger omitted transducers to eliminate side lobes | Hiromi Yatsuda | 1992-12-29 |
| 4878036 | Surface elastic wave filter | Hiromi Yatsuda, Toichi Kohda, Shokichiro Yoshikawa | 1989-10-31 |