Fan Chiang; Chao-Tung
Patent Applications and Registrations
Patent applications and USPTO patent grants for Fan Chiang; Chao-Tung.The latest application filed is for "smart doorbell system and chime circuit".
- Fan Chiang; Chao-Tung - Taipei TW
- Fan Chiang; Chao-Tung - Taipei City TW
- Fan-Chiang; Chao-Tung - Hsinchu TW
| Patent | Date |
|---|---|
| Smart doorbell system and chime circuit Grant 11,348,417 - Fan Chiang , et al. May 31, 2 | 2022-05-31 |
| Smart Doorbell System And Chime Circuit App 20210287498 - Fan Chiang; Chao-Tung ; et al. | 2021-09-16 |
| Starting an isolated power supply with regulated control power and an internal load Grant 9,614,451 - Fan Chiang , et al. April 4, 2 | 2017-04-04 |
| Power Apparatus App 20160276937 - FAN CHIANG; Chao-Tung ; et al. | 2016-09-22 |
| Inverter circuit Grant 8,072,151 - Chang , et al. December 6, 2 | 2011-12-06 |
| Inverter Circuit App 20090046488 - CHANG; CHIH-CHANG ; et al. | 2009-02-19 |
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