Issued Patents 2005
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6969942 | Piezoelectric electroacoustic transducer | Takeshi Kishimoto, Takashi Yamamoto, Kazuaki Hamada | 2005-11-29 |
| 6965680 | Piezoelectric electro-acoustic transducer | Masakazu Yamauchi, Manabu Sumita | 2005-11-15 |
| 6960868 | Piezoelectric electro-acoustic transducer and manufacturing method of the same | Mitsunori Ishimasa, Keiichi Kami, Yuk Yokoi | 2005-11-01 |
| 6894423 | Piezoelectric electroacoustic transducer | Yoshitaka Nakamura, Kiyotaka Tajima | 2005-05-17 |
| 6888947 | Piezoelectric electroacoustic transducer | Masakazu Yamauchi, Manabu Sumita | 2005-05-03 |