Hiratsuka; Masaki
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hiratsuka; Masaki.The latest application filed is for "direct-current circuit breaker".
- Hiratsuka; Masaki - Tokyo N/A JP
| Patent | Date |
|---|---|
| Direct-current circuit breaker Grant 9,413,157 - Tahata , et al. August 9, 2 | 2016-08-09 |
| Direct-current Circuit Breaker App 20150043120 - Tahata; Kazuyori ; et al. | 2015-02-12 |
| Each area automatic selection receiver for emergency radio signal Grant 6,535,164 - Imazeki , et al. March 18, 2 | 2003-03-18 |
| Phase control switch apparatus Grant 6,493,203 - Ito , et al. December 10, 2 | 2002-12-10 |
| Each area automatic selection receiver for emergency radio signal App 20020145558 - Imazeki, Kazuyoshi ; et al. | 2002-10-10 |
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