Hu; Qianggao

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hu; Qianggao.The latest application filed is for "optical module".

Company Profile

1.11.13

Hu; Qianggao - Wuhan City Hubei
Hu; Qianggao - Wuhan CN
Hu; Qianggao - Hubei 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
Optical Module App 20220294531 - Zhu; Hu ; et al.	2022-09-15
Arrayed waveguide grating based hybrid integrated laser having adjustable external cavity Grant 10,416,379 - Fu , et al. Sept	2019-09-17
Wavelength-tunable external-cavity laser and adjustable light emission module Grant 10,256,606 - Hu , et al.	2019-04-09
Method and device for measuring optical signal-to-noise ratio Grant 10,205,520 - Chen , et al. Feb	2019-02-12
External cavity tunable laser and cavity mode locking method thereof Grant 10,050,406 - Tang , et al. August 14, 2	2018-08-14
Multicast exchange optical switch Grant 10,048,445 - Hu , et al. August 14, 2	2018-08-14
Wavelength-tunable External-cavity Laser And Adjustable Light Emission Module App 20180191132 - Hu; Shenglei ; et al.	2018-07-05
Arrayed Waveguide Grating Based Hybrid Integrated Laser Having Adjustable External Cavity App 20180172907 - Fu; Yanfeng ; et al.	2018-06-21
Method for monitoring wavelength of tunable laser on user end by optical line terminal on local end Grant 9,991,954 - Fu , et al. June 5, 2	2018-06-05
Broadband tunable external-cavity laser using small MEMS mirror Grant 9,912,120 - Fu , et al. March 6, 2	2018-03-06
Method And Device For Measuring Optical Signal-to-noise Ratio App 20170359121 - Chen; Shuang ; et al.	2017-12-14
Multicast Exchange Optical Switch App 20170315300 - HU; Qianggao ; et al.	2017-11-02
Multicast optical switch based on free-space transmission Grant 9,720,180 - Hu , et al. August 1, 2	2017-08-01
External Cavity Tunable Laser And Cavity Mode Locking Method Thereof App 20170187163 - Tang; Xuesheng ; et al.	2017-06-29
Method For Monitoring Wavelength Of Tunable Laser On User End By Optical Line Terminal On Local End App 20170170898 - Fu; Yanfeng ; et al.	2017-06-15
Broadband Tunable External-Cavity Laser Using Small Mems Mirror App 20170025819 - Fu; Yanfeng ; et al.	2017-01-26
Multicast Optical Switch Based On Free-Space Transmission App 20160291255 - Hu; Qianggao ; et al.	2016-10-06
External-cavity tunable laser with flexible wavelength grid tuning function Grant 9,397,477 - Fu , et al. July 19, 2	2016-07-19
Optical Signal-to-noise Ratio Measuring Method App 20160056891 - Chen; Shuang ; et al.	2016-02-25
External-cavity Tunable Laser With Flexible Wavelength Grid Tuning Function App 20150288142 - Fu; Yanfeng ; et al.	2015-10-08
WSS with hitless switching Grant 8,280,206 - Hu , et al. October 2, 2	2012-10-02
Wss With Hitless Switching App 20110150389 - Hu; Qianggao ; et al.	2011-06-23
Integrated optical-power adjustable WDM Grant 7,046,874 - Xu , et al. May 16, 2	2006-05-16
Integrated optical-power adjustable WDM App 20050152642 - Xu, Yuanzhong ; et al.	2005-07-14

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