Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6759924 | Multi-frequency antenna duplexer | Toru Sakuragawa, Yuki Satoh, Kozo Murakami | 2004-07-06 |
| 6688731 | Piezoelectric thin film element, ink jet recording head using such a piezoelectric thin film element, and their manufacture methods | Satoru Fujii, Isaku Kanno, Osamu Watanabe, Kenji Tomita, Shigeyuki Takao | 2004-02-10 |