Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6794798 | Display device and electronic equipment employing piezoelectric speaker | Yoshiyuki Watanabe, Shigeo Ishii, Hiroshi Kishi | 2004-09-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6794798 | Display device and electronic equipment employing piezoelectric speaker | Yoshiyuki Watanabe, Shigeo Ishii, Hiroshi Kishi | 2004-09-21 |