Ma Weidong

USPTO Trademark & Patent Filings

Trademark applications and grants for Ma Weidong. Ma Weidong has 1 trademark applications. The latest application filed is for "HRAYIPT"

Company Profile

Ma Weidong
weidong ma
Ma; Weidong - Wuhan City Hubei
Ma; Weidong - Wuhan CN
MA; Weidong - Wuhan City Hubei
Ma; Weidong - Hubei CN

Trademarks Patents

Patent Applications

Patent Application	Date
Heating Electrode For Lowering Stress Of Light Waveguide And Voa Thereof 20200348542 - 16/461956 Ma; Weidong ; et al.	2020-11-05
PLANAR OPTICAL WAVEGUIDE STRUCTURE, AND COUPLING STRUCTURE THEREOF AND COUPLING METHOD THEREOF 20200233159 - Chen; Ben ; et al.	2020-07-23
Debugging Method And Device For Operating Point Voltage Of Parallel MZI Electro-Opticalmodulator 20190273558 - 16/329065 Huang; Zhao ; et al.	2019-09-05
PLANAR OPTICAL WAVEGUIDE STRUCTURE, AND COUPLING STRUCTURE THEREOF AND COUPLING METHOD THEREOF 20190086620 - 16/192845 Chen; Ben ; et al.	2019-03-21
Wavelength Division Multiplexing/Demultiplexing Optical Transceiving Assembly Based on Diffraction Grating 20180314006 - 15/770371 TANG; Xuesheng ; et al.	2018-11-01
Heating electrode for lowering stress of light waveguide and VOA thereof 11,397,340 - 16/461,956 Ma , et al. July 26, 2	2022-07-26
Planar optical waveguide structure, and coupling structure thereof and coupling method thereof 11,181,702 - 16/843,882 Chen , et al. November 23, 2	2021-11-23
Debugging method and device for operating point voltage of parallel MZI electro-opticalmodulator 10,680,709 - 16/329,065 Huang , et al.	2020-06-09
Planar optical waveguide structure, and coupling structure thereof and coupling method thereof 10,656,350 - 16/192,845 Chen , et al.	2020-05-19
Wavelength division multiplexing/demultiplexing optical transceiving assembly based on diffraction grating 10,451,805 - 15/770,371 Tang , et al. Oc	2019-10-22

Patent Grants & Applications

Trademark Applications

Mark Image Registration \| Serial	Trademark Application Date
"HRAYIPT" 5643380 87930761	HRAYIPT 2018-05-22

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