IP Library › Assignment 045073/0420
Patent Assignment
Reel/Frame 045073/0420

Assignment of Assignor's Interest

Recorded: 2018-01-15 Pages: 3
Assignors
ZHANG, LINDE
Executed: 2018-01-12
ZHANG, MINGDONG
Executed: 2018-01-12
Assignee
ZHANG, LINDE
SUITE A3.C-501, GUANGMING TECH-PARK, 3009 GUANGUANG RD., GUANGMING DISTRICT SHENZHEN, GUANGDONG 518107, SHENZHEN, 518107, CHINA
Covered Property (1)
Preparation method for graphene quantum dots with different oxygen contents, graphene quantum dot, and fluorescent material
Application: 15/744,852 →
Publication: US 2018/0230379
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 14, 2022
From: ZHANG, LINDE
To: HUBEI HIGHLAND GRAPHENE TECHNOLOGY CO., LTD.
Reel/Frame 059605/0354 →
Assignment of Assignor's Interest Aug 1, 2025
From: HUBEI HIGHLAND GRAPHENE TECHNOLOGY CO., LTD.
To: CARBON NANO ENGINEERING SYSTEMS CO., LTD.
Reel/Frame 071904/0322 →
Assignment of Assignor's Interest Apr 20, 2026
From: CARBON NANO ENGINEERING SYSTEMS CO., LTD.
To: HUNAN YUANCHANG NEW MATERIAL TECHNOLOGY CO., LTD.
Reel/Frame 075415/0829 →