Kakehi; Sasuga
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kakehi; Sasuga.The latest application filed is for "piezoelectric loudspeaker".
- Kakehi; Sasuga - Kanazawa JP
| Patent | Date |
|---|---|
| Piezoelectric loudspeaker Grant 4,449,019 - Kakehi , et al. May 15, 1 | 1984-05-15 |
| Ladder type filter Grant 4,353,045 - Matsui , et al. October 5, 1 | 1982-10-05 |
| Ladder-type piezoelectric filter Grant 4,323,865 - Tanaka , et al. April 6, 1 | 1982-04-06 |
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