Inventor

Ligen Liu

Inventor

Shenzhen, CN

Overview

12→

Patents

2016–2021

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 12 as inventor

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

F21Vprimary

F21VFunctional features or details of lighting devices or systems thereof21%

H05BElectric heating14%

F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted11%

H03MCoding7%

A01GHorticulture4%

A61BDiagnosis4%

A61NElectrotherapy4%

F21KNon-electric light sources using luminescence4%

F21SNon-portable lighting devices4%

F21WIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to uses or applications of lighting devices or systems4%

PatentTitleYear

10,993,379LED plant light and plant cultivation system using same2021 D0917740LED string lamp2021 10,952,304Focus pluggable interface control device2021 10,948,940Adjustable and pluggable control interface device with sensor thereof2021 10,900,641Simple net cover device and its lamp2021 10,887,954Resistance control device and its lamp2021 10,887,965Double color temperature lamp2021 10,857,389Proton therapy system based on compact superconducting cyclotron2020 10,425,065High-speed low-power-consumption trigger2019 10,181,821Frequency-compensated transconductance amplifier2019 10,084,470Analogue-digital converter of non-binary capacitor array with redundant bit and its chip2018 9,455,735'High speed sampling front-end circuit'2016

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2016Patents assigned to NO 24 RES INST OF CHINA ELECTRONIC TECH CORP (1)· patent assignee history

2016–2019Based in Chongqing, CN· patent location history

2018–2019Patents assigned to NO 24 RESEARCH INSTITUTE OF CHINA ELECTRONICS TECH GROUP CORPORATION (2)· patent assignee history

2019Patents assigned to CHINA ELECTRONIC TECH CORPORATION 24TH RESEARCH INSTITUTE (1)· patent assignee history

2020Patents assigned to HEFEI CAS ION MEDICAL & TECHNICAL DEVICES CO LTD (1)· patent assignee history

2020Based in Anhui, CN· patent location history

2021Patents assigned to SHENZHEN GUANKE TECH CO LTD (7)· patent assignee history

2021Based in Shenzhen, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SHENZHEN GUANKE TECH CO LTD	7	2021
NO 24 RESEARCH INSTITUTE OF CHINA ELECTRONICS TECH GROUP CORPORATION	2	2018–2019
CHINA ELECTRONIC TECH CORPORATION 24TH RESEARCH INSTITUTE	1	2019
HEFEI CAS ION MEDICAL & TECHNICAL DEVICES CO LTD	1	2020
NO 24 RES INST OF CHINA ELECTRONIC TECH CORP	1	2016

Locations

Location	Patents	Span
Shenzhen, CN	7	2021
Chongqing, CN	4	2016–2019
Anhui, CN	1	2020