Inventor

Weidong Ma

Inventor

Wuhan, CN

Overview

8→

Patents

2018–2020

Patent span

Physics

Primary field (CPC G)

Patents· 8 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G02Bprimary

G02BOptical elements, systems or apparatus36%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light14%

H04BTransmission14%

G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light7%

G01SRadio direction-finding7%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein7%

H04JMultiplex communication7%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h107%

PatentTitleYear

10,680,709Debugging method and device for operating point voltage of parallel MZI electro-opticalmodulator2020 10,656,350Planar optical waveguide structure, and coupling structure thereof and coupling method thereof2020 10,451,805Wavelength division multiplexing/demultiplexing optical transceiving assembly based on diffraction grating2019 10,416,379Arrayed waveguide grating based hybrid integrated laser having adjustable external cavity2019 10,256,606Wavelength-tunable external-cavity laser and adjustable light emission module2019 10,209,463Silicon waveguide coupling alignment apparatus2019 10,145,731Performance testing device for multi-channel tunable laser2018 9,964,717Device and method for aligning and bonding lens array and PD array with high precision2018

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2018–2020Patents assigned to ACCELINK TECH CO LTD (6)· patent assignee history

2018–2020Based in Wuhan, CN· patent location history

2019–2020Patents assigned to WUHAN TELECOMM DEVICES CO LTD (2)· patent assignee history

2020Based in Hubei, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ACCELINK TECH CO LTD	6	2018–2020
WUHAN TELECOMM DEVICES CO LTD	2	2019–2020

Locations

Location	Patents	Span
Wuhan, CN	7	2018–2020
Hubei, CN	1	2020