Fan; Ball

Patent Applications and Registrations

Patent applications and USPTO patent grants for Fan; Ball.The latest application filed is for "high voltage level shifter with short propagation delay".

Company Profile

2.5.5

Fan; Ball - Tianjin CN

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Operating a headset that includes microphone line and pushbutton keys Grant 10,462,564 - Fan , et al. Oc	2019-10-29
High voltage level shifter with short propagation delay Grant 10,374,606 - Zhu , et al.	2019-08-06
High Voltage Level Shifter With Short Propagation Delay App 20190158093 - Zhu; Danyang ; et al.	2019-05-23
High voltage level shifter with short propagation delay Grant 10,230,372 - Zhu , et al.	2019-03-12
High Voltage Level Shifter With Short Propagation Delay App 20180241396 - Zhu; Danyang ; et al.	2018-08-23
High Voltage Level Shifter With Short Propagation Delay App 20180145690 - Zhu; Danyang ; et al.	2018-05-24
High voltage level shifter with short propagation delay Grant 9,979,397 - Zhu , et al. May 22, 2	2018-05-22
Audio Accessory Circuitry And Method Compatible With Both Msft Mode And Digital Communication Mode App 20170019733 - Fan; Ball ; et al.	2017-01-19
Initial command to switch transistors disconnecting keys from microphone line Grant 9,479,882 - Fan , et al. October 25, 2	2016-10-25
Audio Accessory Circuitry and Method Compatible With Both MSFT Mode and Digital Communication Mode App 20140254809 - Fan; Ball ; et al.	2014-09-11

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