Tajima; Kiyotaka
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tajima; Kiyotaka.The latest application filed is for "piezoelectric acoustic transducer".
- Tajima; Kiyotaka - Toyama JP
- Tajima, Kiyotaka - Toyama-shi JP
| Patent | Date |
|---|---|
| Piezoelectric diaphragm and piezoelectric electroacoustic transducer using the same Grant 7,067,959 - Takeshima , et al. June 27, 2 | 2006-06-27 |
| Piezoelectric acoustic transducer Grant 7,042,138 - Yokoi , et al. May 9, 2 | 2006-05-09 |
| Piezoelectric electroacoustic transducer Grant 6,894,423 - Takeshima , et al. May 17, 2 | 2005-05-17 |
| Piezoelectric acoustic transducer App 20040201326 - Yokoi, Yuko ; et al. | 2004-10-14 |
| Piezoelectric diaphragm and piezoelectric electroacoustic transducer using the same App 20040124748 - Takeshima, Tetsuo ; et al. | 2004-07-01 |
| Piezoelectric electroacoustic transducer Grant 6,744,180 - Nakamura , et al. June 1, 2 | 2004-06-01 |
| Piezoelectric electroacoustic transducer App 20030107300 - Nakamura, Yoshitaka ; et al. | 2003-06-12 |
| Piezoelectric electroacoustic transducer and manufacturing method of the same Grant 6,570,299 - Takeshima , et al. May 27, 2 | 2003-05-27 |
| Piezoelectric electroacoustic transducer App 20030015942 - Takeshima, Tetsuo ; et al. | 2003-01-23 |
| Piezoelectric electroacoustic transducer and manufacturing method of the same App 20020195901 - Takeshima, Tetsuo ; et al. | 2002-12-26 |
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