Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6960868 | Piezoelectric electro-acoustic transducer and manufacturing method of the same | Mitsunori Ishimasa, Tetsuo Takeshima, Yuk Yokoi | 2005-11-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6960868 | Piezoelectric electro-acoustic transducer and manufacturing method of the same | Mitsunori Ishimasa, Tetsuo Takeshima, Yuk Yokoi | 2005-11-01 |