Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4740765 | Dielectric filter | Youhei Ishikawa, Sadao Yamashita, Kikuo Tsunoda, Toshiro Hiratsuka | 1988-04-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4740765 | Dielectric filter | Youhei Ishikawa, Sadao Yamashita, Kikuo Tsunoda, Toshiro Hiratsuka | 1988-04-26 |