Inventor

HAIJUN LIU

Inventor

Overview

11→

Patents

2021–2026

Patent span

Chemistry

Primary field (CPC C)

Patents· 11 as inventor

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

Y02Eprimary

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution8%

B01DSeparation5%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds5%

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture5%

F24SSolar heat collectors5%

H02SGeneration of electric power by conversion of infrared radiation, visible light or ultraviolet light, e.g. using photovoltaic [pv] modules5%

H04NPictorial communication, e.g. television5%

Y02TClimate change mitigation technologies related to transportation5%

B60LPropulsion of electrically-propelled vehicles3%

B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for3%

PatentTitleYear

12,567,828Flexible tracking bracket2026 12,531,507Flexible photovoltaic bracket with improved module fastener2026 12,391,570Methods of the ultra-clean transfer of two-dimensional materials2025 12,170,498Energy conversion apparatus and safety control method therefor2024 12,108,065Encoding method and apparatus for screen sharing, storage medium, and electronic device2024 11,761,853Engine piston and fatigue testing apparatus for engine piston2023 11,649,790Control method and apparatus applied to controller2023 11,520,902Methodology for trustworthy software build2022 11,431,993Method and apparatus for processing encoded data, computer device, and storage medium2022 11,203,663Method for separating PHA and PHA prepared therefrom2021 11,155,483Method for efficiently producing PHA2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021Patents assigned to COFCO BIOTECHNOLOGY CO LTD (2)· patent assignee history

2021Patents assigned to COFCO JILIN BIO CHEMICAL TECH CO LTD (2)· patent assignee history

2021Patents assigned to NUTRITION & HEALTH RES INSTITUTE COFCO CORPORATION (2)· patent assignee history

2021–2026Based in CN· patent location history

2022–2024Patents assigned to TENCENT TECH SHENZHEN CO LTD (2)· patent assignee history

2025Based in HK· patent location history

2026Patents assigned to ARCTECH SOLAR HOLDING CO LTD (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ARCTECH SOLAR HOLDING CO LTD	2	2026
COFCO BIOTECHNOLOGY CO LTD	2	2021
COFCO JILIN BIO CHEMICAL TECH CO LTD	2	2021
NUTRITION & HEALTH RES INSTITUTE COFCO CORPORATION	2	2021
TENCENT TECH SHENZHEN CO LTD	2	2022–2024

Locations

Location	Patents	Span
CN	10	2021–2026
HK	1	2025