Tsukada; Nobuo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tsukada; Nobuo.The latest application filed is for "standing-wave type ultrasonic motor and timepiece".
- Tsukada; Nobuo - Tokyo JP
| Patent | Date |
|---|---|
| Standing-wave type ultrasonic motor and timepiece Grant 5,079,470 - Kasuga , et al. January 7, 1 | 1992-01-07 |
| Method of making a travelling-wave motor Grant 5,056,201 - Kasuga , et al. October 15, 1 | 1991-10-15 |
| Wristwatch with oscillation alarm Grant 5,043,956 - Tsukada , et al. August 27, 1 | 1991-08-27 |
| Ultrasonic motor Grant 5,025,186 - Tsukada June 18, 1 | 1991-06-18 |
| Travelling-wave motor Grant 5,006,746 - Kasuga , et al. April 9, 1 | 1991-04-09 |
| Paper cutting unit of automatic drawing machines Grant 4,721,058 - Hayamizu , et al. January 26, 1 | 1988-01-26 |
| Stem mechanism for a watch Grant 4,447,163 - Tsukada , et al. May 8, 1 | 1984-05-08 |
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